| 1 | package dbnp.studycapturing |
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| 2 | |
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| 3 | import dbnp.data.* |
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| 4 | |
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| 5 | /** |
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| 6 | * Wizard Controler |
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| 7 | * |
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| 8 | * The wizard controller handles the handeling of pages and data flow |
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| 9 | * through the study capturing wizard. |
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| 10 | * |
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| 11 | * TODO: refactor the 'handle*' methods to work as subflows instead |
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| 12 | * of methods outside of the flow |
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| 13 | * |
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| 14 | * @author Jeroen Wesbeek |
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| 15 | * @since 20100107 |
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| 16 | * @package studycapturing |
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| 17 | * |
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| 18 | * Revision information: |
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| 19 | * $Rev: 432 $ |
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| 20 | * $Author: duh $ |
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| 21 | * $Date: 2010-05-18 14:42:11 +0000 (di, 18 mei 2010) $ |
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| 22 | */ |
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| 23 | class WizardController { |
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| 24 | /** |
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| 25 | * index method, redirect to the webflow |
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| 26 | * @void |
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| 27 | */ |
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| 28 | def index = { |
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| 29 | /** |
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| 30 | * Do you believe it in your head? |
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| 31 | * I can go with the flow |
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| 32 | * Don't say it doesn't matter (with the flow) matter anymore |
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| 33 | * I can go with the flow (I can go) |
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| 34 | * Do you believe it in your head? |
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| 35 | */ |
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| 36 | redirect(action: 'pages') |
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| 37 | } |
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| 38 | |
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| 39 | /** |
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| 40 | * WebFlow definition |
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| 41 | * @see http://grails.org/WebFlow |
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| 42 | * @void |
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| 43 | */ |
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| 44 | def pagesFlow = { |
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| 45 | // start the flow |
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| 46 | onStart { |
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| 47 | // define flow variables |
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| 48 | flow.page = 0 |
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| 49 | flow.pages = [ |
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| 50 | //[title: 'Templates'], // templates |
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| 51 | [title: 'Start'], // load or create a study |
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| 52 | [title: 'Study'], // study |
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| 53 | [title: 'Subjects'], // subjects |
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| 54 | [title: 'Events'], // events and event grouping |
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| 55 | [title: 'Samples'], // samples |
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| 56 | [title: 'Confirmation'], // confirmation page |
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| 57 | [title: 'Done'] // finish page |
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| 58 | ] |
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| 59 | } |
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| 60 | |
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| 61 | // render the main wizard page which immediately |
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| 62 | // triggers the 'next' action (hence, the main |
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| 63 | // page dynamically renders the study template |
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| 64 | // and makes the flow jump to the study logic) |
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| 65 | mainPage { |
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| 66 | render(view: "/wizard/index") |
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| 67 | onRender { |
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| 68 | flow.page = 1 |
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| 69 | } |
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| 70 | on("next").to "start" |
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| 71 | } |
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| 72 | |
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| 73 | // create or modify a study |
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| 74 | start { |
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| 75 | render(view: "_start") |
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| 76 | onRender { |
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| 77 | flow.page = 1 |
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| 78 | } |
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| 79 | on("next").to "study" |
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| 80 | on("modify").to "modify" |
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| 81 | } |
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| 82 | |
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| 83 | // load a study to modify |
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| 84 | modify { |
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| 85 | render(view: "_modify") |
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| 86 | onRender { |
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| 87 | flow.page = 1 |
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| 88 | flash.cancel = true |
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| 89 | } |
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| 90 | on("cancel") { |
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| 91 | flow.study = null |
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| 92 | }.to "start" |
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| 93 | on("next") { |
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| 94 | // TODO: loading a study is not yet implemented |
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| 95 | // create a error stating this feature is |
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| 96 | // not yet implemented |
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| 97 | flash.errors = [:] |
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| 98 | this.appendErrorMap( |
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| 99 | ['study': 'Loading a study and modifying it has not yet been implemented. Please press \'cancel\' to go back to the initial page...'], |
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| 100 | flash.errors |
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| 101 | ) |
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| 102 | }.to "modify" |
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| 103 | } |
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| 104 | |
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| 105 | // render and handle the study page |
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| 106 | // TODO: make sure both template as well as logic will |
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| 107 | // handle Study templates as well!!! |
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| 108 | study { |
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| 109 | render(view: "_study") |
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| 110 | onRender { |
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| 111 | flow.page = 2 |
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| 112 | } |
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| 113 | on("refresh") { |
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| 114 | flash.values = params |
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| 115 | |
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| 116 | // handle study data |
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| 117 | this.handleStudy(flow, flash, params) |
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| 118 | |
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| 119 | // remove errors as we don't want any warnings now |
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| 120 | flash.errors = [:] |
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| 121 | }.to "study" |
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| 122 | on("switchTemplate") { |
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| 123 | flash.values = params |
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| 124 | |
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| 125 | // handle study data |
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| 126 | this.handleStudy(flow, flash, params) |
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| 127 | |
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| 128 | // remove errors as we don't want any warnings now |
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| 129 | flash.errors = [:] |
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| 130 | }.to "study" |
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| 131 | on("previous") { |
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| 132 | flash.errors = [:] |
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| 133 | |
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| 134 | // handle the study |
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| 135 | this.handleStudy(flow, flash, params) |
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| 136 | |
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| 137 | // reset errors |
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| 138 | flash.errors = [:] |
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| 139 | |
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| 140 | success() |
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| 141 | }.to "start" |
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| 142 | on("next") { |
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| 143 | flash.errors = [:] |
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| 144 | |
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| 145 | if (this.handleStudy(flow, flash, params)) { |
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| 146 | success() |
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| 147 | } else { |
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| 148 | error() |
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| 149 | } |
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| 150 | }.to "subjects" |
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| 151 | } |
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| 152 | |
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| 153 | // render and handle subjects page |
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| 154 | subjects { |
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| 155 | render(view: "_subjects") |
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| 156 | onRender { |
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| 157 | flow.page = 3 |
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| 158 | |
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| 159 | if (!flow.subjects) { |
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| 160 | flow.subjects = [:] |
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| 161 | flow.subjectTemplates = [:] |
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| 162 | } |
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| 163 | } |
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| 164 | on("refresh") { |
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| 165 | flash.values = params |
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| 166 | }.to "subjects" |
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| 167 | on("add") { |
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| 168 | flash.values = params |
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| 169 | def speciesTerm = Term.findByName(params.species); |
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| 170 | def subjectTemplateName = params.get('template'); |
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| 171 | def subjectTemplate = Template.findByName(subjectTemplateName); |
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| 172 | |
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| 173 | // add this subject template to the subject template array |
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| 174 | if (!flow.subjectTemplates[ subjectTemplateName ]) { |
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| 175 | flow.subjectTemplates[ subjectTemplateName ] = [ |
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| 176 | name: subjectTemplateName, |
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| 177 | template: subjectTemplate, |
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| 178 | subjects: [] |
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| 179 | ] |
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| 180 | } |
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| 181 | |
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| 182 | // add x subjects of species y |
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| 183 | (params.addNumber as int).times { |
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| 184 | def increment = flow.subjects.size() |
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| 185 | def subject = new Subject( |
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| 186 | name: 'Subject ' + (increment + 1), |
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| 187 | species: speciesTerm, |
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| 188 | template: subjectTemplate |
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| 189 | ) |
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| 190 | |
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| 191 | // instantiate a new Subject |
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| 192 | flow.subjects[ increment ] = subject |
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| 193 | |
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| 194 | // and remember the subject id with the template |
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| 195 | def subjectsSize = flow.subjectTemplates[ subjectTemplateName ]['subjects'].size() |
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| 196 | flow.subjectTemplates[ subjectTemplateName ]['subjects'][ subjectsSize ] = increment |
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| 197 | } |
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| 198 | }.to "subjects" |
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| 199 | on("next") { |
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| 200 | flash.errors = [:] |
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| 201 | |
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| 202 | // check if we have at least one subject |
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| 203 | // and check form data |
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| 204 | if (flow.subjects.size() < 1) { |
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| 205 | // append error map |
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| 206 | this.appendErrorMap(['subjects': 'You need at least to create one subject for your study'], flash.errors) |
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| 207 | error() |
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| 208 | } else if (!this.handleSubjects(flow, flash, params)) { |
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| 209 | error() |
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| 210 | } else { |
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| 211 | success() |
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| 212 | } |
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| 213 | }.to "events" |
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| 214 | on("delete") { |
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| 215 | flash.errors = [:] |
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| 216 | def delete = params.get('do') as int; |
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| 217 | |
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| 218 | // remove subject |
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| 219 | if (flow.subjects[ delete ] && flow.subjects[ delete ] instanceof Subject) { |
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| 220 | flow.subjectTemplates.each() { templateName, templateData -> |
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| 221 | templateData.subjects.remove(delete) |
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| 222 | } |
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| 223 | |
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| 224 | flow.subjects.remove( delete ) |
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| 225 | } |
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| 226 | }.to "subjects" |
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| 227 | on("previous") { |
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| 228 | flash.errors = [:] |
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| 229 | |
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| 230 | // handle form data |
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| 231 | if (!this.handleSubjects(flow, flash, params)) { |
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| 232 | error() |
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| 233 | } else { |
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| 234 | success() |
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| 235 | } |
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| 236 | }.to "study" |
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| 237 | } |
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| 238 | |
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| 239 | // render events page |
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| 240 | events { |
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| 241 | render(view: "_events") |
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| 242 | onRender { |
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| 243 | flow.page = 4 |
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| 244 | |
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| 245 | if (!flow.event) { |
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| 246 | flow.event = new Event() |
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| 247 | flow.events = [] |
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| 248 | flow.eventGroups = [] |
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| 249 | flow.eventGroups[0] = new EventGroup(name: 'Group 1') // 1 group by default |
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| 250 | flow.eventTemplates = [:] |
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| 251 | } else if (!flash.values) { |
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| 252 | // set flash.values.templateType based on the event instance |
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| 253 | flash.values = [:] |
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| 254 | flash.values.templateType = (flow.event instanceof Event) ? 'event' : 'sample' |
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| 255 | println "aapjes --> " + flash.values |
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| 256 | } |
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| 257 | } |
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| 258 | on("switchTemplate") { |
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| 259 | flash.values = params |
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| 260 | |
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| 261 | // handle study data |
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| 262 | this.handleEvents(flow, flash, params) |
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| 263 | |
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| 264 | // remove errors as we don't want any warnings now |
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| 265 | flash.errors = [:] |
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| 266 | }.to "events" |
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| 267 | on("add") { |
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| 268 | flash.values = params |
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| 269 | println params |
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| 270 | println params.get('eventType') |
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| 271 | println params.get('eventTemplate') |
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| 272 | println params.get('sampleTemplate') |
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| 273 | |
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| 274 | def eventTemplateName = (params.get('eventType') == 'event') ? params.get('eventTemplate') : params.get('sampleTemplate') |
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| 275 | def eventTemplate = Template.findByName(eventTemplateName) |
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| 276 | println "test: "+ eventTemplateName + ", " + eventTemplate |
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| 277 | |
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| 278 | // add this event template to the event template array |
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| 279 | if (!flow.eventTemplates[ eventTemplateName ]) { |
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| 280 | flow.eventTemplates[ eventTemplateName ] = [ |
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| 281 | name: eventTemplateName, |
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| 282 | template: eventTemplate, |
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| 283 | events: [] |
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| 284 | ] |
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| 285 | } |
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| 286 | |
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| 287 | // handle study data |
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| 288 | this.handleEvents(flow, flash, params) |
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| 289 | |
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| 290 | // validate event object |
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| 291 | if (flow.event.validate()) { |
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| 292 | // it validated! Duplicate the event object... |
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| 293 | def newEvent = flow.event |
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| 294 | def increment = flow.events.size() |
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| 295 | |
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| 296 | // ...store it in the events map in the flow scope... |
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| 297 | flow.events[ increment ] = newEvent |
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| 298 | |
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| 299 | // ...and 'reset' the event object in the flow scope |
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| 300 | flow.event = new Event(template: newEvent.template) |
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| 301 | |
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| 302 | // remember the event id with the template |
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| 303 | def eventSize = flow.eventTemplates[ eventTemplateName ]['events'].size() |
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| 304 | flow.eventTemplates[ eventTemplateName ]['events'][ eventSize ] = increment |
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| 305 | |
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| 306 | success() |
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| 307 | } else { |
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| 308 | // it does not validate, show error feedback |
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| 309 | flash.errors = [:] |
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| 310 | this.appendErrors(flow.event, flash.errors) |
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| 311 | error() |
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| 312 | } |
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| 313 | }.to "events" |
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| 314 | on("deleteEvent") { |
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| 315 | flash.values = params |
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| 316 | def delete = params.get('do') as int; |
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| 317 | |
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| 318 | // handle event groupings |
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| 319 | this.handleEventGrouping(flow, flash, params) |
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| 320 | |
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| 321 | // remove event |
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| 322 | if (flow.events[ delete ] && flow.events[ delete ] instanceof Event) { |
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| 323 | flow.events.remove(delete) |
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| 324 | } |
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| 325 | }.to "events" |
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| 326 | on("addEventGroup") { |
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| 327 | flash.values = params |
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| 328 | |
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| 329 | // handle event groupings |
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| 330 | this.handleEventGrouping(flow, flash, params) |
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| 331 | |
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| 332 | def increment = flow.eventGroups.size() |
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| 333 | def groupName = "Group " + (increment + 1) |
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| 334 | |
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| 335 | // check if group name exists |
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| 336 | def nameExists = true |
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| 337 | def u = 0 |
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| 338 | |
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| 339 | // make sure a unique name is generated |
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| 340 | while (nameExists) { |
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| 341 | u++ |
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| 342 | def count = 0 |
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| 343 | |
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| 344 | flow.eventGroups.each() { |
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| 345 | if (it.name == groupName) { |
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| 346 | groupName = "Group " + (increment + 1) + "," + u |
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| 347 | } else { |
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| 348 | count++ |
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| 349 | } |
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| 350 | } |
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| 351 | |
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| 352 | nameExists = !(count == flow.eventGroups.size()) |
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| 353 | } |
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| 354 | |
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| 355 | flow.eventGroups[increment] = new EventGroup( name: groupName ) |
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| 356 | }.to "events" |
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| 357 | on("deleteEventGroup") { |
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| 358 | flash.values = params |
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| 359 | |
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| 360 | def delete = params.get('do') as int; |
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| 361 | |
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| 362 | // handle event groupings |
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| 363 | this.handleEventGrouping(flow, flash, params) |
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| 364 | |
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| 365 | // remove the group with this specific id |
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| 366 | if (flow.eventGroups[delete] && flow.eventGroups[delete] instanceof EventGroup) { |
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| 367 | // remove this eventGroup |
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| 368 | flow.eventGroups.remove(delete) |
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| 369 | } |
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| 370 | }.to "events" |
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| 371 | on("previous") { |
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| 372 | // handle event groupings |
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| 373 | this.handleEventGrouping(flow, flash, params) |
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| 374 | }.to "subjects" |
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| 375 | on("next") { |
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| 376 | println params |
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| 377 | flash.values = params |
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| 378 | flash.errors = [:] |
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| 379 | |
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| 380 | // handle study data |
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| 381 | if (flow.events.size() < 1) { |
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| 382 | // append error map |
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| 383 | this.appendErrorMap(['events': 'You need at least to create one event for your study'], flash.errors) |
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| 384 | error() |
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| 385 | } else if (this.handleEvents(flow, flash, params)) { |
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| 386 | success() |
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| 387 | } else { |
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| 388 | error() |
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| 389 | } |
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| 390 | }.to "samples" |
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| 391 | } |
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| 392 | |
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| 393 | // samples page |
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| 394 | samples { |
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| 395 | render(view: "_samples") |
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| 396 | onRender { |
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| 397 | flow.page = 5 |
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| 398 | } |
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| 399 | on("previous").to "events" |
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| 400 | on("next").to "samples" |
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| 401 | } |
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| 402 | |
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| 403 | // confirmation |
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| 404 | confirm { |
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| 405 | render(view: "_confirmation") |
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| 406 | onRender { |
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| 407 | flow.page = 6 |
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| 408 | } |
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| 409 | on("toStudy").to "study" |
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| 410 | on("toSubjects").to "subjects" |
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| 411 | on("toEvents").to "events" |
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| 412 | on("toSamples").to "samples" |
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| 413 | on("previous").to "samples" |
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| 414 | on("next").to "save" |
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| 415 | } |
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| 416 | |
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| 417 | // store all study data |
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| 418 | save { |
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| 419 | action { |
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| 420 | println "saving..." |
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| 421 | flash.errors = [:] |
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| 422 | |
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| 423 | // start transaction |
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| 424 | def transaction = sessionFactory.getCurrentSession().beginTransaction() |
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| 425 | |
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| 426 | // persist data to the database |
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| 427 | try { |
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| 428 | // save EventDescriptions |
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| 429 | flow.eventDescriptions.each() { |
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| 430 | if (!it.save(flush:true)) { |
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| 431 | this.appendErrors(it, flash.errors) |
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| 432 | throw new Exception('error saving eventDescription') |
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| 433 | } |
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| 434 | println "saved eventdescription "+it |
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| 435 | } |
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| 436 | |
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| 437 | // TODO: eventDescriptions that are not linked to an event are currently |
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| 438 | // stored but end up in a black hole. We should either decide to |
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| 439 | // NOT store these eventDescriptions, or add "hasmany eventDescriptions" |
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| 440 | // to Study domain class |
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| 441 | |
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| 442 | // save events |
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| 443 | flow.events.each() { |
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| 444 | if (!it.save(flush:true)) { |
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| 445 | this.appendErrors(it, flash.errors) |
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| 446 | throw new Exception('error saving event') |
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| 447 | } |
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| 448 | println "saved event "+it |
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| 449 | |
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| 450 | // add to study |
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| 451 | if (it instanceof SamplingEvent) { |
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| 452 | flow.study.addToSamplingEvents(it) |
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| 453 | } else { |
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| 454 | flow.study.addToEvents(it) |
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| 455 | } |
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| 456 | } |
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| 457 | |
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| 458 | // save eventGroups |
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| 459 | flow.eventGroups.each() { |
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| 460 | if (!it.save(flush:true)) { |
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| 461 | this.appendErrors(it, flash.errors) |
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| 462 | throw new Exception('error saving eventGroup') |
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| 463 | } |
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| 464 | println "saved eventGroup "+it |
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| 465 | |
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| 466 | // add to study |
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| 467 | flow.study.addToEventGroups(it) |
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| 468 | } |
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| 469 | |
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| 470 | // save subjects |
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| 471 | flow.subjects.each() { |
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| 472 | if (!it.save(flush:true)) { |
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| 473 | this.appendErrors(it, flash.errors) |
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| 474 | throw new Exception('error saving subject') |
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| 475 | } |
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| 476 | println "saved subject "+it |
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| 477 | |
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| 478 | // add this subject to the study |
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| 479 | flow.study.addToSubjects(it) |
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| 480 | } |
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| 481 | |
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| 482 | // save study |
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| 483 | if (!flow.study.save(flush:true)) { |
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| 484 | this.appendErrors(flow.study, flash.errors) |
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| 485 | throw new Exception('error saving study') |
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| 486 | } |
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| 487 | println "saved study "+flow.study+" (id: "+flow.study.id+")" |
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| 488 | |
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| 489 | // commit transaction |
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| 490 | println "commit" |
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| 491 | transaction.commit() |
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| 492 | success() |
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| 493 | } catch (Exception e) { |
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| 494 | // rollback |
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| 495 | this.appendErrorMap(['exception': e.toString() + ', see log for stacktrace' ], flash.errors) |
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| 496 | |
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| 497 | // stacktrace in flash scope |
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| 498 | flash.debug = e.getStackTrace() |
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| 499 | |
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| 500 | println "rollback" |
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| 501 | transaction.rollback() |
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| 502 | error() |
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| 503 | } |
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| 504 | } |
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| 505 | on("error").to "error" |
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| 506 | on(Exception).to "error" |
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| 507 | on("success").to "done" |
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| 508 | } |
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| 509 | |
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| 510 | // error storing data |
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| 511 | error { |
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| 512 | render(view: "_error") |
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| 513 | onRender { |
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| 514 | flow.page = 6 |
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| 515 | } |
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| 516 | on("next").to "save" |
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| 517 | on("previous").to "samples" |
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| 518 | } |
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| 519 | |
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| 520 | // render page three |
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| 521 | done { |
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| 522 | render(view: "_done") |
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| 523 | onRender { |
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| 524 | flow.page = 7 |
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| 525 | } |
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| 526 | on("previous") { |
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| 527 | // TODO |
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| 528 | }.to "confirm" |
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| 529 | } |
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| 530 | } |
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| 531 | |
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| 532 | /** |
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| 533 | * re-usable code for handling study form data in a web flow |
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| 534 | * @param Map LocalAttributeMap (the flow scope) |
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| 535 | * @param Map localAttributeMap (the flash scope) |
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| 536 | * @param Map GrailsParameterMap (the flow parameters = form data) |
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| 537 | * @returns boolean |
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| 538 | */ |
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| 539 | def handleStudy(flow, flash, params) { |
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| 540 | // create study instance if we have none |
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| 541 | if (!flow.study) flow.study = new Study(); |
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| 542 | |
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| 543 | // create date instance from date string? |
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| 544 | // @see WizardTagLibrary::dateElement{...} |
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| 545 | if (params.get('startDate')) { |
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| 546 | params.startDate = new Date().parse("d/M/yyyy", params.get('startDate').toString()) |
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| 547 | } else { |
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| 548 | params.remove('startDate') |
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| 549 | } |
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| 550 | |
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| 551 | // if a template is selected, get template instance |
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| 552 | def template = params.remove('template') |
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| 553 | if (template instanceof String && template.size() > 0) { |
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| 554 | flow.study.template = Template.findByName(template) |
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| 555 | } else if (template instanceof Template) { |
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| 556 | flow.study.template = template |
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| 557 | } |
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| 558 | |
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| 559 | // iterate through fields |
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| 560 | if (flow.study.template) { |
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| 561 | flow.study.giveFields().each() { |
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| 562 | flow.study.setFieldValue(it.name, params.get(it.escapedName())) |
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| 563 | } |
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| 564 | } |
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| 565 | |
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| 566 | // validate study |
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| 567 | if (flow.study.validate()) { |
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| 568 | return true |
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| 569 | } else { |
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| 570 | // validation failed, feedback errors |
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| 571 | flash.errors = [:] |
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| 572 | this.appendErrors(flow.study, flash.errors) |
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| 573 | return false |
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| 574 | } |
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| 575 | } |
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| 576 | |
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| 577 | /** |
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| 578 | * re-usable code for handling subject form data in a web flow |
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| 579 | * @param Map LocalAttributeMap (the flow scope) |
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| 580 | * @param Map localAttributeMap (the flash scope) |
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| 581 | * @param Map GrailsParameterMap (the flow parameters = form data) |
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| 582 | * @returns boolean |
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| 583 | */ |
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| 584 | def handleSubjects(flow, flash, params) { |
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| 585 | def names = [:]; |
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| 586 | def errors = false; |
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| 587 | def id = 0; |
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| 588 | |
|---|
| 589 | // iterate through subject templates |
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| 590 | flow.subjectTemplates.each() { subjectTemplate -> |
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| 591 | // iterate through subjects |
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| 592 | subjectTemplate.getValue().subjects.each() { subjectId -> |
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| 593 | // iterate through fields (= template fields and domain properties) |
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| 594 | flow.subjects[ subjectId ].giveFields().each() { subjectField -> |
|---|
| 595 | // set the field |
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| 596 | flow.subjects[ subjectId ].setFieldValue( |
|---|
| 597 | subjectField.name, |
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| 598 | params.get( 'subject_' + subjectId + '_' + subjectField.escapedName() ) |
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| 599 | ) |
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| 600 | } |
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| 601 | |
|---|
| 602 | // validate subject |
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| 603 | if (!flow.subjects[ subjectId ].validate()) { |
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| 604 | errors = true |
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| 605 | this.appendErrors(flow.subjects[ subjectId ], flash.errors, 'subject_' + subjectId + '_') |
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| 606 | } |
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| 607 | } |
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| 608 | } |
|---|
| 609 | |
|---|
| 610 | return !errors |
|---|
| 611 | } |
|---|
| 612 | |
|---|
| 613 | /** |
|---|
| 614 | * re-usable code for handling event form data in a web flow |
|---|
| 615 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 616 | * @param Map localAttributeMap (the flash scope) |
|---|
| 617 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 618 | * @returns boolean |
|---|
| 619 | */ |
|---|
| 620 | def handleEvents(flow, flash, params) { |
|---|
| 621 | def errors = false |
|---|
| 622 | def template = null |
|---|
| 623 | |
|---|
| 624 | // handle the type of event |
|---|
| 625 | if (params.eventType == 'event') { |
|---|
| 626 | flow.event = new Event(); |
|---|
| 627 | template = params.remove('eventTemplate') |
|---|
| 628 | } else if (params.eventType == 'sample') { |
|---|
| 629 | flow.event = new SamplingEvent(); |
|---|
| 630 | template = params.remove('sampleTemplate') |
|---|
| 631 | } |
|---|
| 632 | |
|---|
| 633 | // got an event in the flow scope? |
|---|
| 634 | //if (!flow.event) flow.event = new Event() |
|---|
| 635 | |
|---|
| 636 | // if a template is selected, get template instance |
|---|
| 637 | if (template instanceof String && template.size() > 0) { |
|---|
| 638 | params.template = Template.findByName(template) |
|---|
| 639 | } else if (template instanceof Template) { |
|---|
| 640 | params.template = template |
|---|
| 641 | } else { |
|---|
| 642 | params.template = null |
|---|
| 643 | } |
|---|
| 644 | |
|---|
| 645 | // set template |
|---|
| 646 | if (params.template) flow.event.template = params.template |
|---|
| 647 | |
|---|
| 648 | // update event instance with parameters |
|---|
| 649 | flow.event.giveFields().each() { eventField -> |
|---|
| 650 | flow.event.setFieldValue(eventField.name, params[ eventField.escapedName() ]) |
|---|
| 651 | } |
|---|
| 652 | |
|---|
| 653 | // handle event objects |
|---|
| 654 | flow.eventTemplates.each() { eventTemplate -> |
|---|
| 655 | // iterate through events |
|---|
| 656 | eventTemplate.getValue().events.each() { eventId -> |
|---|
| 657 | // iterate through template fields |
|---|
| 658 | flow.events[ eventId ].giveFields().each() { eventField -> |
|---|
| 659 | flow.events[ eventId ].setFieldValue(eventField.name, params.get( 'event_' + eventId + '_' + eventField.escapedName() ) ) |
|---|
| 660 | } |
|---|
| 661 | |
|---|
| 662 | // validate event |
|---|
| 663 | if (!flow.events[ eventId ].validate()) { |
|---|
| 664 | errors = true |
|---|
| 665 | this.appendErrors(flow.events[ eventId ], flash.errors, 'event_' + eventId + '_') |
|---|
| 666 | } |
|---|
| 667 | } |
|---|
| 668 | } |
|---|
| 669 | |
|---|
| 670 | // handle event grouping |
|---|
| 671 | handleEventGrouping(flow, flash, params) |
|---|
| 672 | |
|---|
| 673 | return !errors |
|---|
| 674 | } |
|---|
| 675 | |
|---|
| 676 | /** |
|---|
| 677 | * re-usable code for handling event grouping in a web flow |
|---|
| 678 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 679 | * @param Map localAttributeMap (the flash scope) |
|---|
| 680 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 681 | * @returns boolean |
|---|
| 682 | */ |
|---|
| 683 | def handleEventGrouping(flow, flash, params) { |
|---|
| 684 | // walk through eventGroups |
|---|
| 685 | def g = 0 |
|---|
| 686 | |
|---|
| 687 | flow.eventGroups.each() { eventGroup -> |
|---|
| 688 | def e = 0 |
|---|
| 689 | |
|---|
| 690 | // reset events |
|---|
| 691 | eventGroup.events = new HashSet() |
|---|
| 692 | |
|---|
| 693 | // iterate through events |
|---|
| 694 | flow.events.each() { |
|---|
| 695 | if (params.get('event_' + e + '_group_' + g) == 'on') { |
|---|
| 696 | eventGroup.addToEvents(it) |
|---|
| 697 | } |
|---|
| 698 | e++ |
|---|
| 699 | } |
|---|
| 700 | g++ |
|---|
| 701 | } |
|---|
| 702 | } |
|---|
| 703 | |
|---|
| 704 | /** |
|---|
| 705 | * return the object from a map of objects by searching for a name |
|---|
| 706 | * @param String name |
|---|
| 707 | * @param Map map of objects |
|---|
| 708 | * @return Object |
|---|
| 709 | */ |
|---|
| 710 | def getObjectByName(name, map) { |
|---|
| 711 | def result = null |
|---|
| 712 | map.each() { |
|---|
| 713 | if (it.name == name) { |
|---|
| 714 | result = it |
|---|
| 715 | } |
|---|
| 716 | } |
|---|
| 717 | |
|---|
| 718 | return result |
|---|
| 719 | } |
|---|
| 720 | |
|---|
| 721 | /** |
|---|
| 722 | * transform domain class validation errors into a human readable |
|---|
| 723 | * linked hash map |
|---|
| 724 | * @param object validated domain class |
|---|
| 725 | * @returns object linkedHashMap |
|---|
| 726 | */ |
|---|
| 727 | def getHumanReadableErrors(object) { |
|---|
| 728 | def errors = [:] |
|---|
| 729 | object.errors.getAllErrors().each() { |
|---|
| 730 | def message = it.toString() |
|---|
| 731 | |
|---|
| 732 | //errors[it.getArguments()[0]] = it.getDefaultMessage() |
|---|
| 733 | errors[it.getArguments()[0]] = message.substring(0, message.indexOf(';')) |
|---|
| 734 | } |
|---|
| 735 | |
|---|
| 736 | return errors |
|---|
| 737 | } |
|---|
| 738 | |
|---|
| 739 | /** |
|---|
| 740 | * append errors of a particular object to a map |
|---|
| 741 | * @param object |
|---|
| 742 | * @param map linkedHashMap |
|---|
| 743 | * @void |
|---|
| 744 | */ |
|---|
| 745 | def appendErrors(object, map) { |
|---|
| 746 | this.appendErrorMap(this.getHumanReadableErrors(object), map) |
|---|
| 747 | } |
|---|
| 748 | |
|---|
| 749 | def appendErrors(object, map, prepend) { |
|---|
| 750 | this.appendErrorMap(this.getHumanReadableErrors(object), map, prepend) |
|---|
| 751 | } |
|---|
| 752 | |
|---|
| 753 | /** |
|---|
| 754 | * append errors of one map to another map |
|---|
| 755 | * @param map linkedHashMap |
|---|
| 756 | * @param map linkedHashMap |
|---|
| 757 | * @void |
|---|
| 758 | */ |
|---|
| 759 | def appendErrorMap(map, mapToExtend) { |
|---|
| 760 | map.each() {key, value -> |
|---|
| 761 | mapToExtend[key] = ['key': key, 'value': value, 'dynamic': false] |
|---|
| 762 | } |
|---|
| 763 | } |
|---|
| 764 | |
|---|
| 765 | def appendErrorMap(map, mapToExtend, prepend) { |
|---|
| 766 | map.each() {key, value -> |
|---|
| 767 | mapToExtend[prepend + key] = ['key': key, 'value': value, 'dynamic': true] |
|---|
| 768 | } |
|---|
| 769 | } |
|---|
| 770 | } |
|---|
