| 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: 396 $ |
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| 20 | * $Author: duh $ |
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| 21 | * $Date: 2010-05-07 12:24:27 +0000 (vr, 07 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: 'Confirmation'], // confirmation page |
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| 56 | [title: 'Done'] // finish page |
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| 57 | ] |
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| 58 | } |
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| 59 | |
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| 60 | // render the main wizard page which immediately |
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| 61 | // triggers the 'next' action (hence, the main |
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| 62 | // page dynamically renders the study template |
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| 63 | // and makes the flow jump to the study logic) |
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| 64 | mainPage { |
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| 65 | render(view: "/wizard/index") |
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| 66 | onRender { |
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| 67 | flow.page = 1 |
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| 68 | } |
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| 69 | on("next").to "start" |
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| 70 | } |
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| 71 | |
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| 72 | // create or modify a study |
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| 73 | start { |
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| 74 | render(view: "_start") |
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| 75 | onRender { |
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| 76 | flow.page = 1 |
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| 77 | } |
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| 78 | on("next").to "study" |
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| 79 | on("modify").to "modify" |
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| 80 | } |
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| 81 | |
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| 82 | // load a study to modify |
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| 83 | modify { |
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| 84 | render(view: "_modify") |
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| 85 | onRender { |
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| 86 | flow.page = 1 |
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| 87 | flash.cancel = true |
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| 88 | } |
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| 89 | on("cancel") { |
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| 90 | flow.study = null |
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| 91 | }.to "start" |
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| 92 | on("next") { |
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| 93 | // TODO: loading a study is not yet implemented |
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| 94 | // create a error stating this feature is |
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| 95 | // not yet implemented |
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| 96 | flash.errors = [:] |
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| 97 | this.appendErrorMap( |
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| 98 | ['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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| 99 | flash.errors |
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| 100 | ) |
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| 101 | }.to "modify" |
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| 102 | } |
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| 103 | |
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| 104 | // render and handle the study page |
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| 105 | // TODO: make sure both template as well as logic will |
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| 106 | // handle Study templates as well!!! |
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| 107 | study { |
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| 108 | render(view: "_study") |
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| 109 | onRender { |
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| 110 | flow.page = 2 |
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| 111 | } |
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| 112 | on("refresh") { |
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| 113 | flash.values = params |
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| 114 | |
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| 115 | // handle study data |
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| 116 | this.handleStudy(flow, flash, params) |
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| 117 | |
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| 118 | // remove errors as we don't want any warnings now |
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| 119 | flash.errors = [:] |
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| 120 | }.to "study" |
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| 121 | on("switchTemplate") { |
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| 122 | flash.values = params |
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| 123 | |
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| 124 | // handle study data |
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| 125 | this.handleStudy(flow, flash, params) |
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| 126 | |
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| 127 | // remove errors as we don't want any warnings now |
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| 128 | flash.errors = [:] |
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| 129 | }.to "study" |
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| 130 | on("previous") { |
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| 131 | flash.errors = [:] |
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| 132 | |
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| 133 | // handle the study |
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| 134 | this.handleStudy(flow, flash, params) |
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| 135 | |
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| 136 | // reset errors |
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| 137 | flash.errors = [:] |
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| 138 | |
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| 139 | success() |
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| 140 | }.to "start" |
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| 141 | on("next") { |
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| 142 | flash.errors = [:] |
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| 143 | |
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| 144 | if (this.handleStudy(flow, flash, params)) { |
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| 145 | success() |
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| 146 | } else { |
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| 147 | error() |
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| 148 | } |
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| 149 | }.to "subjects" |
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| 150 | } |
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| 151 | |
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| 152 | // render and handle subjects page |
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| 153 | subjects { |
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| 154 | render(view: "_subjects") |
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| 155 | onRender { |
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| 156 | flow.page = 3 |
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| 157 | |
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| 158 | if (!flow.subjects) { |
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| 159 | flow.subjects = [] |
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| 160 | flow.subjectTemplates = [:] |
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| 161 | } |
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| 162 | } |
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| 163 | on("refresh") { |
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| 164 | flash.values = params |
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| 165 | }.to "subjects" |
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| 166 | on("add") { |
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| 167 | flash.values = params |
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| 168 | def speciesTerm = Term.findByName(params.species); |
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| 169 | def subjectTemplateName = params.get('template'); |
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| 170 | def subjectTemplate = Template.findByName(subjectTemplateName); |
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| 171 | |
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| 172 | // add this subject template to the subject template array |
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| 173 | if (!flow.subjectTemplates[ subjectTemplateName ]) { |
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| 174 | flow.subjectTemplates[ subjectTemplateName ] = [ |
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| 175 | name: subjectTemplateName, |
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| 176 | template: subjectTemplate, |
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| 177 | subjects: [] |
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| 178 | ] |
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| 179 | } |
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| 180 | |
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| 181 | // add x subjects of species y |
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| 182 | (params.addNumber as int).times { |
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| 183 | def increment = flow.subjects.size() |
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| 184 | def subject = new Subject( |
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| 185 | name: 'Subject ' + (increment + 1), |
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| 186 | species: speciesTerm, |
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| 187 | template: subjectTemplate |
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| 188 | ) |
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| 189 | |
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| 190 | // instantiate a new Subject |
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| 191 | flow.subjects[ increment ] = subject |
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| 192 | |
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| 193 | // and remember the subject id with the template |
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| 194 | def subjectsSize = flow.subjectTemplates[ subjectTemplateName ]['subjects'].size() |
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| 195 | flow.subjectTemplates[ subjectTemplateName ]['subjects'][ subjectsSize ] = increment |
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| 196 | } |
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| 197 | }.to "subjects" |
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| 198 | on("next") { |
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| 199 | flash.errors = [:] |
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| 200 | |
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| 201 | // check if we have at least one subject |
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| 202 | // and check form data |
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| 203 | if (flow.subjects.size() < 1) { |
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| 204 | // append error map |
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| 205 | this.appendErrorMap(['subjects': 'You need at least to create one subject for your study'], flash.errors) |
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| 206 | error() |
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| 207 | } else if (!this.handleSubjects(flow, flash, params)) { |
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| 208 | error() |
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| 209 | } else { |
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| 210 | success() |
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| 211 | } |
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| 212 | }.to "events" |
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| 213 | on("delete") { |
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| 214 | flash.errors = [:] |
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| 215 | def delete = params.get('do') as int; |
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| 216 | |
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| 217 | // remove subject |
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| 218 | if (flow.subjects[ delete ] && flow.subjects[ delete ] instanceof Subject) { |
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| 219 | flow.subjectTemplates.each() { templateName, templateData -> |
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| 220 | templateData.subjects.remove(delete) |
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| 221 | } |
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| 222 | |
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| 223 | flow.subjects.remove( delete ) |
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| 224 | } |
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| 225 | }.to "subjects" |
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| 226 | on("previous") { |
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| 227 | flash.errors = [:] |
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| 228 | |
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| 229 | // handle form data |
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| 230 | if (!this.handleSubjects(flow, flash, params)) { |
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| 231 | error() |
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| 232 | } else { |
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| 233 | success() |
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| 234 | } |
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| 235 | }.to "study" |
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| 236 | } |
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| 237 | |
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| 238 | // render events page |
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| 239 | events { |
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| 240 | render(view: "_events") |
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| 241 | onRender { |
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| 242 | flow.page = 4 |
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| 243 | |
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| 244 | /* |
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| 245 | if (!flow.event) flow.event = new Event() |
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| 246 | if (!flow.events) flow.events = [] |
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| 247 | if (!flow.eventGroups) { |
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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 | } |
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| 251 | */ |
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| 252 | |
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| 253 | if (!flow.event) { |
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| 254 | flow.event = new Event() |
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| 255 | flow.events = [] |
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| 256 | flow.eventGroups = [] |
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| 257 | flow.eventGroups[0] = new EventGroup(name: 'Group 1') // 1 group by default |
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| 258 | flow.eventTemplates = [:] |
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| 259 | } |
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| 260 | } |
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| 261 | on("switchTemplate") { |
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| 262 | flash.values = params |
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| 263 | |
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| 264 | // handle study data |
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| 265 | this.handleEvents(flow, flash, params) |
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| 266 | |
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| 267 | // remove errors as we don't want any warnings now |
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| 268 | flash.errors = [:] |
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| 269 | }.to "events" |
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| 270 | on("add") { |
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| 271 | /* |
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| 272 | def startTime = (params.get('startTime')) ? params.startTime = new Date().parse("d/M/yyyy HH:mm", params.get('startTime').toString()) : null |
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| 273 | def endTime = (params.get('endTime')) ? new Date().parse("d/M/yyyy HH:mm", params.get('endTime').toString()) : null |
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| 274 | def template = params.get('template') |
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| 275 | |
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| 276 | // handle template |
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| 277 | if (template instanceof String && template.size() > 0) { |
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| 278 | template = Template.findByName(template) |
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| 279 | } else if (!template instanceof Template) { |
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| 280 | template = null |
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| 281 | } |
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| 282 | |
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| 283 | // handle data |
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| 284 | if (template && startTime && endTime) { |
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| 285 | // add an event instance |
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| 286 | def event = new Event( |
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| 287 | template : template, |
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| 288 | startTime : startTime, |
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| 289 | endTime : endTime |
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| 290 | ) |
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| 291 | |
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| 292 | // validate event |
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| 293 | if (event.validate()) { |
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| 294 | // add event to event list |
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| 295 | flow.events[ flow.events.size() ] = event |
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| 296 | success() |
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| 297 | } else { |
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| 298 | // validation failed, feedback errors |
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| 299 | flash.errors = [:] |
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| 300 | flash.values = params |
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| 301 | this.appendErrors(event, flash.errors) |
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| 302 | error() |
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| 303 | } |
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| 304 | } else { |
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| 305 | // validation failed, feedback errors |
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| 306 | flash.errors = [:] |
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| 307 | flash.values = params |
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| 308 | |
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| 309 | if (!template) this.appendErrorMap(['template': 'You need to select an event template'], flash.errors) |
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| 310 | if (!startTime) this.appendErrorMap(['startTime': 'You need to define the start time of your study event'], flash.errors) |
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| 311 | if (!endTime) this.appendErrorMap(['endTime': 'You need to define the end time of your study event'], flash.errors) |
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| 312 | error() |
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| 313 | } |
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| 314 | */ |
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| 315 | flash.values = params |
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| 316 | def eventTemplateName = params.get('template') |
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| 317 | def eventTemplate = Template.findByName(eventTemplateName) |
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| 318 | |
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| 319 | // add this event template to the event template array |
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| 320 | if (!flow.eventTemplates[ eventTemplateName ]) { |
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| 321 | flow.eventTemplates[ eventTemplateName ] = [ |
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| 322 | name: eventTemplateName, |
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| 323 | template: eventTemplate, |
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| 324 | events: [] |
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| 325 | ] |
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| 326 | } |
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| 327 | |
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| 328 | // handle study data |
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| 329 | this.handleEvents(flow, flash, params) |
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| 330 | |
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| 331 | // validate event object |
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| 332 | if (flow.event.validate()) { |
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| 333 | |
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| 334 | flow.event.template.fields.each() { |
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| 335 | println "["+it.name+"] = "+flow.event.getFieldValue(it.name) |
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| 336 | } |
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| 337 | // it validated! Duplicate the event object... |
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| 338 | def newEvent = flow.event |
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| 339 | def increment = flow.events.size() |
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| 340 | |
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| 341 | // ...store it in the events map in the flow scope... |
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| 342 | flow.events[ increment ] = newEvent |
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| 343 | |
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| 344 | // ...and 'reset' the event object in the flow scope |
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| 345 | flow.event = new Event(template: newEvent.template) |
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| 346 | |
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| 347 | // remember the event id with the template |
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| 348 | def eventSize = flow.eventTemplates[ eventTemplateName ]['events'].size() |
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| 349 | flow.eventTemplates[ eventTemplateName ]['events'][ eventSize ] = increment |
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| 350 | |
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| 351 | success() |
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| 352 | } else { |
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| 353 | // it does not validate, show error feedback |
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| 354 | flash.errors = [:] |
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| 355 | this.appendErrors(flow.event, flash.errors) |
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| 356 | error() |
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| 357 | } |
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| 358 | }.to "events" |
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| 359 | on("deleteEvent") { |
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| 360 | flash.values = params |
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| 361 | def delete = params.get('do') as int; |
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| 362 | |
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| 363 | // handle event groupings |
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| 364 | this.handleEventGrouping(flow, flash, params) |
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| 365 | |
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| 366 | // remove event |
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| 367 | if (flow.events[ delete ] && flow.events[ delete ] instanceof Event) { |
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| 368 | flow.events.remove(delete) |
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| 369 | } |
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| 370 | }.to "events" |
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| 371 | on("addEventGroup") { |
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| 372 | flash.values = params |
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| 373 | |
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| 374 | // handle event groupings |
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| 375 | this.handleEventGrouping(flow, flash, params) |
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| 376 | |
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| 377 | def increment = flow.eventGroups.size() |
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| 378 | def groupName = "Group " + (increment + 1) |
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| 379 | |
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| 380 | // check if group name exists |
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| 381 | def nameExists = true |
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| 382 | def u = 0 |
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| 383 | |
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| 384 | // make sure a unique name is generated |
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| 385 | while (nameExists) { |
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| 386 | u++ |
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| 387 | def count = 0 |
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| 388 | |
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| 389 | flow.eventGroups.each() { |
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| 390 | if (it.name == groupName) { |
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| 391 | groupName = "Group " + (increment + 1) + "," + u |
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| 392 | } else { |
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| 393 | count++ |
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| 394 | } |
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| 395 | } |
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| 396 | |
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| 397 | nameExists = !(count == flow.eventGroups.size()) |
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| 398 | } |
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| 399 | |
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| 400 | flow.eventGroups[increment] = new EventGroup(name: groupName) |
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| 401 | }.to "events" |
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| 402 | on("deleteEventGroup") { |
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| 403 | flash.values = params |
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| 404 | |
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| 405 | def delete = params.get('do') as int; |
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| 406 | |
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| 407 | // handle event groupings |
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| 408 | this.handleEventGrouping(flow, flash, params) |
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| 409 | |
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| 410 | // remove the group with this specific id |
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| 411 | if (flow.eventGroups[delete] && flow.eventGroups[delete] instanceof EventGroup) { |
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| 412 | // remove this eventGroup |
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| 413 | flow.eventGroups.remove(delete) |
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| 414 | } |
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| 415 | }.to "events" |
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| 416 | on("previous") { |
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| 417 | // handle event groupings |
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| 418 | this.handleEventGrouping(flow, flash, params) |
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| 419 | }.to "subjects" |
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| 420 | on("next") { |
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| 421 | flash.values = params |
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| 422 | flash.errors = [:] |
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| 423 | /* |
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| 424 | |
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| 425 | // handle event groupings |
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| 426 | this.handleEventGrouping(flow, flash, params) |
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| 427 | |
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| 428 | // check if we have at least one subject |
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| 429 | // and check form data |
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| 430 | if (flow.events.size() < 1) { |
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| 431 | // append error map |
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| 432 | flash.values = params |
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| 433 | this.appendErrorMap(['events': 'You need at least to create one event for your study'], flash.errors) |
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| 434 | error() |
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| 435 | } |
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| 436 | */ |
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| 437 | }.to "events" |
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| 438 | } |
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| 439 | |
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| 440 | confirm { |
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| 441 | render(view: "_confirmation") |
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| 442 | onRender { |
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| 443 | flow.page = 5 |
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| 444 | } |
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| 445 | on("toStudy").to "study" |
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| 446 | on("toSubjects").to "subjects" |
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| 447 | on("toEvents").to "events" |
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| 448 | on("previous").to "events" |
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| 449 | on("next").to "save" |
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| 450 | } |
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| 451 | |
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| 452 | // store all study data |
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| 453 | save { |
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| 454 | action { |
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| 455 | println "saving..." |
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| 456 | flash.errors = [:] |
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| 457 | |
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| 458 | // start transaction |
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| 459 | def transaction = sessionFactory.getCurrentSession().beginTransaction() |
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| 460 | |
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| 461 | // persist data to the database |
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| 462 | try { |
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| 463 | // save EventDescriptions |
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| 464 | flow.eventDescriptions.each() { |
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| 465 | if (!it.save(flush:true)) { |
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| 466 | this.appendErrors(it, flash.errors) |
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| 467 | throw new Exception('error saving eventDescription') |
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| 468 | } |
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| 469 | println "saved eventdescription "+it |
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| 470 | } |
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| 471 | |
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| 472 | // TODO: eventDescriptions that are not linked to an event are currently |
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| 473 | // stored but end up in a black hole. We should either decide to |
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| 474 | // NOT store these eventDescriptions, or add "hasmany eventDescriptions" |
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| 475 | // to Study domain class |
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| 476 | |
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| 477 | // save events |
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| 478 | flow.events.each() { |
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| 479 | if (!it.save(flush:true)) { |
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| 480 | this.appendErrors(it, flash.errors) |
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| 481 | throw new Exception('error saving event') |
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| 482 | } |
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| 483 | println "saved event "+it |
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| 484 | |
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| 485 | // add to study |
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| 486 | if (it instanceof SamplingEvent) { |
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| 487 | flow.study.addToSamplingEvents(it) |
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| 488 | } else { |
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| 489 | flow.study.addToEvents(it) |
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| 490 | } |
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| 491 | } |
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| 492 | |
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| 493 | // save eventGroups |
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| 494 | flow.eventGroups.each() { |
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| 495 | if (!it.save(flush:true)) { |
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| 496 | this.appendErrors(it, flash.errors) |
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| 497 | throw new Exception('error saving eventGroup') |
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| 498 | } |
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| 499 | println "saved eventGroup "+it |
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| 500 | |
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| 501 | // add to study |
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| 502 | flow.study.addToEventGroups(it) |
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| 503 | } |
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| 504 | |
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| 505 | // save subjects |
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| 506 | flow.subjects.each() { |
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| 507 | if (!it.save(flush:true)) { |
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| 508 | this.appendErrors(it, flash.errors) |
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| 509 | throw new Exception('error saving subject') |
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| 510 | } |
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| 511 | println "saved subject "+it |
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| 512 | |
|---|
| 513 | // add this subject to the study |
|---|
| 514 | flow.study.addToSubjects(it) |
|---|
| 515 | } |
|---|
| 516 | |
|---|
| 517 | // save study |
|---|
| 518 | if (!flow.study.save(flush:true)) { |
|---|
| 519 | this.appendErrors(flow.study, flash.errors) |
|---|
| 520 | throw new Exception('error saving study') |
|---|
| 521 | } |
|---|
| 522 | println "saved study "+flow.study+" (id: "+flow.study.id+")" |
|---|
| 523 | |
|---|
| 524 | // commit transaction |
|---|
| 525 | println "commit" |
|---|
| 526 | transaction.commit() |
|---|
| 527 | success() |
|---|
| 528 | } catch (Exception e) { |
|---|
| 529 | // rollback |
|---|
| 530 | this.appendErrorMap(['exception': e.toString() + ', see log for stacktrace' ], flash.errors) |
|---|
| 531 | |
|---|
| 532 | // stacktrace in flash scope |
|---|
| 533 | flash.debug = e.getStackTrace() |
|---|
| 534 | |
|---|
| 535 | println "rollback" |
|---|
| 536 | transaction.rollback() |
|---|
| 537 | error() |
|---|
| 538 | } |
|---|
| 539 | } |
|---|
| 540 | on("error").to "error" |
|---|
| 541 | on(Exception).to "error" |
|---|
| 542 | on("success").to "done" |
|---|
| 543 | } |
|---|
| 544 | |
|---|
| 545 | // error storing data |
|---|
| 546 | error { |
|---|
| 547 | render(view: "_error") |
|---|
| 548 | onRender { |
|---|
| 549 | flow.page = 6 |
|---|
| 550 | } |
|---|
| 551 | on("next").to "save" |
|---|
| 552 | on("previous").to "events" |
|---|
| 553 | } |
|---|
| 554 | |
|---|
| 555 | // render page three |
|---|
| 556 | done { |
|---|
| 557 | render(view: "_done") |
|---|
| 558 | onRender { |
|---|
| 559 | flow.page = 7 |
|---|
| 560 | } |
|---|
| 561 | on("previous") { |
|---|
| 562 | // TODO |
|---|
| 563 | }.to "confirm" |
|---|
| 564 | } |
|---|
| 565 | } |
|---|
| 566 | |
|---|
| 567 | /** |
|---|
| 568 | * re-usable code for handling study form data in a web flow |
|---|
| 569 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 570 | * @param Map localAttributeMap (the flash scope) |
|---|
| 571 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 572 | * @returns boolean |
|---|
| 573 | */ |
|---|
| 574 | def handleStudy(flow, flash, params) { |
|---|
| 575 | // create study instance if we have none |
|---|
| 576 | if (!flow.study) flow.study = new Study(); |
|---|
| 577 | |
|---|
| 578 | // create date instance from date string? |
|---|
| 579 | // @see WizardTagLibrary::dateElement{...} |
|---|
| 580 | if (params.get('startDate')) { |
|---|
| 581 | params.startDate = new Date().parse("d/M/yyyy", params.get('startDate').toString()) |
|---|
| 582 | } else { |
|---|
| 583 | params.remove('startDate') |
|---|
| 584 | } |
|---|
| 585 | |
|---|
| 586 | // if a template is selected, get template instance |
|---|
| 587 | def template = params.remove('template') |
|---|
| 588 | if (template instanceof String && template.size() > 0) { |
|---|
| 589 | flow.study.template = Template.findByName(template) |
|---|
| 590 | } else if (template instanceof Template) { |
|---|
| 591 | flow.study.template = template |
|---|
| 592 | } |
|---|
| 593 | |
|---|
| 594 | //println flow.study.giveFields() |
|---|
| 595 | /* |
|---|
| 596 | // update study instance with parameters |
|---|
| 597 | params.each() { key, value -> |
|---|
| 598 | if (flow.study.hasProperty(key)) { |
|---|
| 599 | println ".set property ["+key+"] with value ["+value+"]" |
|---|
| 600 | flow.study.setProperty(key, value); |
|---|
| 601 | } |
|---|
| 602 | } |
|---|
| 603 | |
|---|
| 604 | // walk through template fields |
|---|
| 605 | if (params.template) { |
|---|
| 606 | params.template.fields.each() { field -> |
|---|
| 607 | println ".set field ["+field.name+"] with value ["+params.get(field.escapedName())+"]" |
|---|
| 608 | flow.study.setFieldValue(field.name, params.get(field.escapedName())) |
|---|
| 609 | } |
|---|
| 610 | } |
|---|
| 611 | */ |
|---|
| 612 | // iterate through fields |
|---|
| 613 | if (flow.study.template) { |
|---|
| 614 | flow.study.giveFields().each() { |
|---|
| 615 | flow.study.setFieldValue(it.name, params.get(it.escapedName())) |
|---|
| 616 | } |
|---|
| 617 | } |
|---|
| 618 | println "study = " + flow.study |
|---|
| 619 | println flow.study.templateDateFields |
|---|
| 620 | |
|---|
| 621 | // validate study |
|---|
| 622 | if (flow.study.validate()) { |
|---|
| 623 | return true |
|---|
| 624 | } else { |
|---|
| 625 | // validation failed, feedback errors |
|---|
| 626 | flash.errors = [:] |
|---|
| 627 | this.appendErrors(flow.study, flash.errors) |
|---|
| 628 | return false |
|---|
| 629 | } |
|---|
| 630 | } |
|---|
| 631 | |
|---|
| 632 | /** |
|---|
| 633 | * re-usable code for handling subject form data in a web flow |
|---|
| 634 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 635 | * @param Map localAttributeMap (the flash scope) |
|---|
| 636 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 637 | * @returns boolean |
|---|
| 638 | */ |
|---|
| 639 | def handleSubjects(flow, flash, params) { |
|---|
| 640 | def names = [:]; |
|---|
| 641 | def errors = false; |
|---|
| 642 | def id = 0; |
|---|
| 643 | |
|---|
| 644 | // iterate through subject templates |
|---|
| 645 | flow.subjectTemplates.each() { |
|---|
| 646 | def subjectTemplate = it.getValue().template |
|---|
| 647 | def templateFields = subjectTemplate.fields |
|---|
| 648 | |
|---|
| 649 | // iterate through subjects |
|---|
| 650 | it.getValue().subjects.each() { subjectId -> |
|---|
| 651 | /* |
|---|
| 652 | flow.subjects[ subjectId ].name = params.get('subject_' + subjectId + '_name') |
|---|
| 653 | flow.subjects[ subjectId ].species = Term.findByName(params.get('subject_' + subjectId + '_species')) |
|---|
| 654 | |
|---|
| 655 | // remember name and check for duplicates |
|---|
| 656 | if (!names[ flow.subjects[ subjectId ].name ]) { |
|---|
| 657 | names[ flow.subjects[ subjectId ].name ] = [count: 1, first: 'subject_' + subjectId + '_name', firstId: subjectId] |
|---|
| 658 | } else { |
|---|
| 659 | // duplicate name found, set error flag |
|---|
| 660 | names[ flow.subjects[ subjectId ].name ]['count']++ |
|---|
| 661 | |
|---|
| 662 | // second occurence? |
|---|
| 663 | if (names[ flow.subjects[ subjectId ].name ]['count'] == 2) { |
|---|
| 664 | // yeah, also mention the first |
|---|
| 665 | // occurrence in the error message |
|---|
| 666 | this.appendErrorMap(name: 'The subject name needs to be unique!', flash.errors, 'subject_' + names[ flow.subjects[ subjectId ].name ]['firstId'] + '_') |
|---|
| 667 | } |
|---|
| 668 | |
|---|
| 669 | // add to error map |
|---|
| 670 | this.appendErrorMap([name: 'The subject name needs to be unique!'], flash.errors, 'subject_' + subjectId + '_') |
|---|
| 671 | errors = true |
|---|
| 672 | } |
|---|
| 673 | */ |
|---|
| 674 | |
|---|
| 675 | // iterate through template fields |
|---|
| 676 | //templateFields.each() { subjectField -> |
|---|
| 677 | flow.subjects[ subjectId ].giveFields().each() { subjectField -> |
|---|
| 678 | flow.subjects[ subjectId ].setFieldValue( |
|---|
| 679 | subjectField.name, |
|---|
| 680 | params.get( 'subject_' + subjectId + '_' + subjectField.escapedName() ) |
|---|
| 681 | ) |
|---|
| 682 | } |
|---|
| 683 | |
|---|
| 684 | // validate subject |
|---|
| 685 | if (!flow.subjects[ subjectId ].validate()) { |
|---|
| 686 | errors = true |
|---|
| 687 | this.appendErrors(flow.subjects[ subjectId ], flash.errors, 'subject_' + subjectId + '_') |
|---|
| 688 | } |
|---|
| 689 | } |
|---|
| 690 | } |
|---|
| 691 | |
|---|
| 692 | return !errors |
|---|
| 693 | } |
|---|
| 694 | |
|---|
| 695 | /** |
|---|
| 696 | * re-usable code for handling event form data in a web flow |
|---|
| 697 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 698 | * @param Map localAttributeMap (the flash scope) |
|---|
| 699 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 700 | * @returns boolean |
|---|
| 701 | */ |
|---|
| 702 | def handleEvents(flow, flash, params) { |
|---|
| 703 | // got an event in the flash scope? |
|---|
| 704 | if (!flow.event) flow.event = new Event() |
|---|
| 705 | |
|---|
| 706 | // if a template is selected, get template instance |
|---|
| 707 | def template = params.remove('template') |
|---|
| 708 | if (template instanceof String && template.size() > 0) { |
|---|
| 709 | params.template = Template.findByName(template) |
|---|
| 710 | } else if (template instanceof Template) { |
|---|
| 711 | params.template = template |
|---|
| 712 | } else { |
|---|
| 713 | params.template = null |
|---|
| 714 | } |
|---|
| 715 | |
|---|
| 716 | // set template |
|---|
| 717 | if (params.template) flow.event.template = params.template |
|---|
| 718 | |
|---|
| 719 | // update event instance with parameters |
|---|
| 720 | params.each() { key, value -> |
|---|
| 721 | // does this event have such a property or (if |
|---|
| 722 | // a template is set) such a template field? |
|---|
| 723 | if (flow.event.fieldExists(key)) { |
|---|
| 724 | // yes, set it |
|---|
| 725 | flow.event.setFieldValue(key, value) |
|---|
| 726 | } |
|---|
| 727 | } |
|---|
| 728 | |
|---|
| 729 | // handle event objects |
|---|
| 730 | flow.eventTemplates.each() { |
|---|
| 731 | def eventTemplate = it.getValue().template |
|---|
| 732 | def templateFields = eventTemplate.fields |
|---|
| 733 | |
|---|
| 734 | // iterate through events |
|---|
| 735 | it.getValue().events.each() { eventId -> |
|---|
| 736 | // iterate through template fields |
|---|
| 737 | templateFields.each() { eventField -> |
|---|
| 738 | flow.events[ eventId ].setFieldValue( |
|---|
| 739 | eventField.name, |
|---|
| 740 | params.get( 'event_' + eventId + '_' + eventField.escapedName() ) |
|---|
| 741 | ) |
|---|
| 742 | } |
|---|
| 743 | |
|---|
| 744 | // validate event |
|---|
| 745 | if (!flow.events[ eventId ].validate()) { |
|---|
| 746 | errors = true |
|---|
| 747 | this.appendErrors(flow.events[ eventId ], flash.errors, 'event_' + eventId + '_') |
|---|
| 748 | } |
|---|
| 749 | |
|---|
| 750 | |
|---|
| 751 | } |
|---|
| 752 | } |
|---|
| 753 | |
|---|
| 754 | // handle event grouping |
|---|
| 755 | handleEventGrouping(flow, flash, params) |
|---|
| 756 | |
|---|
| 757 | println flow.event |
|---|
| 758 | |
|---|
| 759 | return !errors |
|---|
| 760 | } |
|---|
| 761 | |
|---|
| 762 | /** |
|---|
| 763 | * re-usable code for handling event grouping in a web flow |
|---|
| 764 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 765 | * @param Map localAttributeMap (the flash scope) |
|---|
| 766 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 767 | * @returns boolean |
|---|
| 768 | */ |
|---|
| 769 | def handleEventGrouping(flow, flash, params) { |
|---|
| 770 | // walk through eventGroups |
|---|
| 771 | def g = 0 |
|---|
| 772 | flow.eventGroups.each() { |
|---|
| 773 | def e = 0 |
|---|
| 774 | def eventGroup = it |
|---|
| 775 | |
|---|
| 776 | // reset events |
|---|
| 777 | eventGroup.events = new HashSet() |
|---|
| 778 | |
|---|
| 779 | // walk through events |
|---|
| 780 | flow.events.each() { |
|---|
| 781 | if (params.get('event_' + e + '_group_' + g) == 'on') { |
|---|
| 782 | eventGroup.addToEvents(it) |
|---|
| 783 | } |
|---|
| 784 | e++ |
|---|
| 785 | } |
|---|
| 786 | g++ |
|---|
| 787 | } |
|---|
| 788 | } |
|---|
| 789 | |
|---|
| 790 | /** |
|---|
| 791 | * return the object from a map of objects by searching for a name |
|---|
| 792 | * @param String name |
|---|
| 793 | * @param Map map of objects |
|---|
| 794 | * @return Object |
|---|
| 795 | */ |
|---|
| 796 | def getObjectByName(name, map) { |
|---|
| 797 | def result = null |
|---|
| 798 | map.each() { |
|---|
| 799 | if (it.name == name) { |
|---|
| 800 | result = it |
|---|
| 801 | } |
|---|
| 802 | } |
|---|
| 803 | |
|---|
| 804 | return result |
|---|
| 805 | } |
|---|
| 806 | |
|---|
| 807 | /** |
|---|
| 808 | * transform domain class validation errors into a human readable |
|---|
| 809 | * linked hash map |
|---|
| 810 | * @param object validated domain class |
|---|
| 811 | * @returns object linkedHashMap |
|---|
| 812 | */ |
|---|
| 813 | def getHumanReadableErrors(object) { |
|---|
| 814 | def errors = [:] |
|---|
| 815 | object.errors.getAllErrors().each() { |
|---|
| 816 | errors[it.getArguments()[0]] = it.getDefaultMessage() |
|---|
| 817 | } |
|---|
| 818 | |
|---|
| 819 | return errors |
|---|
| 820 | } |
|---|
| 821 | |
|---|
| 822 | /** |
|---|
| 823 | * append errors of a particular object to a map |
|---|
| 824 | * @param object |
|---|
| 825 | * @param map linkedHashMap |
|---|
| 826 | * @void |
|---|
| 827 | */ |
|---|
| 828 | def appendErrors(object, map) { |
|---|
| 829 | this.appendErrorMap(this.getHumanReadableErrors(object), map) |
|---|
| 830 | } |
|---|
| 831 | |
|---|
| 832 | def appendErrors(object, map, prepend) { |
|---|
| 833 | this.appendErrorMap(this.getHumanReadableErrors(object), map, prepend) |
|---|
| 834 | } |
|---|
| 835 | |
|---|
| 836 | /** |
|---|
| 837 | * append errors of one map to another map |
|---|
| 838 | * @param map linkedHashMap |
|---|
| 839 | * @param map linkedHashMap |
|---|
| 840 | * @void |
|---|
| 841 | */ |
|---|
| 842 | def appendErrorMap(map, mapToExtend) { |
|---|
| 843 | map.each() {key, value -> |
|---|
| 844 | mapToExtend[key] = ['key': key, 'value': value, 'dynamic': false] |
|---|
| 845 | } |
|---|
| 846 | } |
|---|
| 847 | |
|---|
| 848 | def appendErrorMap(map, mapToExtend, prepend) { |
|---|
| 849 | map.each() {key, value -> |
|---|
| 850 | mapToExtend[prepend + key] = ['key': key, 'value': value, 'dynamic': true] |
|---|
| 851 | } |
|---|
| 852 | } |
|---|
| 853 | } |
|---|
