| 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: 341 $ |
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| 20 | * $Author: duh $ |
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| 21 | * $Date: 2010-04-14 09:36:53 +0000 (wo, 14 apr 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: 'Event Descriptions'], // event descriptions |
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| 55 | [title: 'Events'], // events and event grouping |
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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").to "start" |
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| 91 | on("next") { |
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| 92 | // TODO: loading a study is not yet implemented |
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| 93 | // create a error stating this feature is |
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| 94 | // not yet implemented |
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| 95 | flash.errors = [:] |
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| 96 | this.appendErrorMap( |
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| 97 | ['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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| 98 | flash.errors |
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| 99 | ) |
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| 100 | }.to "modify" |
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| 101 | } |
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| 102 | |
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| 103 | // render and handle the study page |
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| 104 | // TODO: make sure both template as well as logic will |
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| 105 | // handle Study templates as well!!! |
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| 106 | study { |
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| 107 | render(view: "_study") |
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| 108 | onRender { |
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| 109 | flow.page = 2 |
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| 110 | } |
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| 111 | on("switchTemplate") { |
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| 112 | // handle study data |
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| 113 | this.handleStudy(flow, flash, params) |
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| 114 | |
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| 115 | // remove errors as we don't want any warnings now |
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| 116 | flash.errors = [:] |
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| 117 | }.to "study" |
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| 118 | on("previous") { |
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| 119 | flash.errors = [:] |
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| 120 | |
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| 121 | if (this.handleStudy(flow, flash, params)) { |
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| 122 | success() |
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| 123 | } else { |
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| 124 | error() |
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| 125 | } |
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| 126 | }.to "start" |
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| 127 | on("next") { |
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| 128 | flash.errors = [:] |
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| 129 | |
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| 130 | if (this.handleStudy(flow, flash, params)) { |
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| 131 | success() |
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| 132 | } else { |
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| 133 | error() |
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| 134 | } |
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| 135 | }.to "subjects" |
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| 136 | } |
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| 137 | |
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| 138 | // render and handle subjects page |
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| 139 | subjects { |
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| 140 | render(view: "_subjects") |
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| 141 | onRender { |
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| 142 | flow.page = 3 |
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| 143 | |
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| 144 | if (!flow.subjects) { |
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| 145 | flow.subjects = [] |
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| 146 | flow.subjectTemplates = [:] |
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| 147 | } |
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| 148 | } |
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| 149 | on("add") { |
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| 150 | // fetch species by name (as posted by the form) |
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| 151 | def speciesTerm = Term.findByName(params.addSpecies) |
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| 152 | def subjectTemplateName = params.get('template') |
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| 153 | def subjectTemplate = Template.findByName(subjectTemplateName) |
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| 154 | |
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| 155 | // add this subject template to the subject template array |
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| 156 | if (!flow.subjectTemplates[ subjectTemplateName ]) { |
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| 157 | flow.subjectTemplates[ subjectTemplateName ] = [ |
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| 158 | name: subjectTemplateName, |
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| 159 | template: subjectTemplate, |
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| 160 | subjects: [] |
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| 161 | ] |
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| 162 | } |
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| 163 | |
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| 164 | // add x subject of species y |
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| 165 | (params.addNumber as int).times { |
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| 166 | def increment = flow.subjects.size() |
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| 167 | def subject = new Subject( |
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| 168 | name: 'Subject ' + (increment + 1), |
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| 169 | species: speciesTerm, |
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| 170 | template: subjectTemplate |
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| 171 | ) |
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| 172 | |
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| 173 | // instantiate a new Subject |
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| 174 | flow.subjects[ increment ] = subject |
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| 175 | |
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| 176 | // and remember the subject id with the template |
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| 177 | def subjectsSize = flow.subjectTemplates[ subjectTemplateName ]['subjects'].size() |
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| 178 | flow.subjectTemplates[ subjectTemplateName ]['subjects'][ subjectsSize ] = increment |
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| 179 | } |
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| 180 | }.to "subjects" |
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| 181 | on("next") { |
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| 182 | flash.errors = [:] |
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| 183 | |
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| 184 | // check if we have at least one subject |
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| 185 | // and check form data |
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| 186 | if (flow.subjects.size() < 1) { |
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| 187 | // append error map |
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| 188 | this.appendErrorMap(['subjects': 'You need at least to create one subject for your study'], flash.errors) |
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| 189 | error() |
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| 190 | } else if (!this.handleSubjects(flow, flash, params)) { |
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| 191 | error() |
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| 192 | } else { |
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| 193 | success() |
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| 194 | } |
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| 195 | }.to "eventDescriptions" |
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| 196 | on("delete") { |
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| 197 | flash.errors = [:] |
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| 198 | def delete = params.get('do') as int; |
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| 199 | |
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| 200 | // remove subject |
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| 201 | if (flow.subjects[ delete ] && flow.subjects[ delete ] instanceof Subject) { |
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| 202 | flow.subjectTemplates.each() { templateName, templateData -> |
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| 203 | templateData.subjects.remove(delete) |
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| 204 | } |
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| 205 | |
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| 206 | flow.subjects.remove( delete ) |
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| 207 | } |
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| 208 | }.to "subjects" |
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| 209 | on("previous") { |
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| 210 | flash.errors = [:] |
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| 211 | |
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| 212 | // handle form data |
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| 213 | if (!this.handleSubjects(flow, flash, params)) { |
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| 214 | error() |
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| 215 | } else { |
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| 216 | success() |
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| 217 | } |
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| 218 | }.to "study" |
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| 219 | } |
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| 220 | |
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| 221 | // render page three |
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| 222 | eventDescriptions { |
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| 223 | render(view: "_eventDescriptions") |
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| 224 | onRender { |
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| 225 | flow.page = 4 |
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| 226 | |
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| 227 | if (!flow.eventDescriptions) { |
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| 228 | flow.eventDescriptions = [] |
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| 229 | } |
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| 230 | } |
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| 231 | on("add") { |
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| 232 | // fetch classification by name (as posted by the form) |
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| 233 | //params.classification = Term.findByName(params.classification) |
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| 234 | |
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| 235 | // fetch protocol by name (as posted by the form) |
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| 236 | params.protocol = Protocol.findByName(params.protocol) |
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| 237 | |
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| 238 | // transform checkbox form value to boolean |
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| 239 | params.isSamplingEvent = (params.containsKey('isSamplingEvent')) |
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| 240 | |
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| 241 | // instantiate EventDescription with parameters |
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| 242 | def eventDescription = new EventDescription(params) |
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| 243 | |
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| 244 | // validate |
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| 245 | if (eventDescription.validate()) { |
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| 246 | def increment = flow.eventDescriptions.size() |
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| 247 | flow.eventDescriptions[increment] = eventDescription |
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| 248 | success() |
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| 249 | } else { |
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| 250 | // validation failed, feedback errors |
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| 251 | flash.errors = [:] |
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| 252 | flash.values = params |
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| 253 | this.appendErrors(eventDescription, flash.errors) |
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| 254 | error() |
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| 255 | } |
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| 256 | }.to "eventDescriptions" |
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| 257 | on("delete") { |
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| 258 | def delete = params.get('do') as int; |
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| 259 | |
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| 260 | // handle form data |
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| 261 | if (!this.handleEventDescriptions(flow, flash, params)) { |
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| 262 | flash.values = params |
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| 263 | error() |
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| 264 | } else { |
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| 265 | success() |
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| 266 | } |
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| 267 | |
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| 268 | // remove eventDescription |
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| 269 | if (flow.eventDescriptions[ delete ] && flow.eventDescriptions[ delete ] instanceof EventDescription) { |
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| 270 | // remove all events based on this eventDescription |
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| 271 | for ( i in flow.events.size()..0 ) { |
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| 272 | if (flow.events[ i ] && flow.events[ i ].eventDescription == flow.eventDescriptions[ delete ]) { |
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| 273 | flow.events.remove(i) |
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| 274 | } |
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| 275 | } |
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| 276 | |
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| 277 | flow.eventDescriptions.remove(delete) |
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| 278 | } |
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| 279 | }.to "eventDescriptions" |
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| 280 | on("previous") { |
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| 281 | flash.errors = [:] |
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| 282 | |
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| 283 | // handle form data |
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| 284 | if (!this.handleEventDescriptions(flow, flash, params)) { |
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| 285 | flash.values = params |
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| 286 | error() |
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| 287 | } else { |
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| 288 | success() |
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| 289 | } |
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| 290 | }.to "subjects" |
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| 291 | on("next") { |
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| 292 | flash.errors = [:] |
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| 293 | |
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| 294 | // check if we have at least one subject |
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| 295 | // and check form data |
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| 296 | if (flow.eventDescriptions.size() < 1) { |
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| 297 | // append error map |
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| 298 | flash.values = params |
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| 299 | this.appendErrorMap(['eventDescriptions': 'You need at least to create one eventDescription for your study'], flash.errors) |
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| 300 | error() |
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| 301 | } else if (!this.handleEventDescriptions(flow, flash, params)) { |
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| 302 | flash.values = params |
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| 303 | error() |
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| 304 | } else { |
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| 305 | success() |
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| 306 | } |
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| 307 | }.to "events" |
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| 308 | } |
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| 309 | |
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| 310 | // render events page |
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| 311 | events { |
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| 312 | render(view: "_events") |
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| 313 | onRender { |
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| 314 | flow.page = 5 |
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| 315 | |
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| 316 | if (!flow.events) { |
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| 317 | flow.events = [] |
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| 318 | } |
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| 319 | |
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| 320 | if (!flow.eventGroups) { |
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| 321 | flow.eventGroups = [] |
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| 322 | flow.eventGroups[0] = new EventGroup(name: 'Group 1') // 1 group by default |
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| 323 | } |
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| 324 | } |
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| 325 | on("add") { |
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| 326 | // create date instances from date string? |
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| 327 | // @see WizardTagLibrary::timeElement{...} |
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| 328 | if (params.get('startTime')) { |
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| 329 | params.startTime = new Date().parse("d/M/yyyy HH:mm", params.get('startTime').toString()) |
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| 330 | } |
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| 331 | if (params.get('endTime')) { |
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| 332 | params.get('endTime').toString() |
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| 333 | params.endTime = new Date().parse("d/M/yyyy HH:mm", params.get('endTime').toString()) |
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| 334 | } |
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| 335 | |
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| 336 | // get eventDescription instance by name |
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| 337 | params.eventDescription = this.getObjectByName(params.get('eventDescription'), flow.eventDescriptions) |
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| 338 | |
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| 339 | // instantiate Event with parameters |
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| 340 | def event = (params.eventDescription.isSamplingEvent) ? new SamplingEvent(params) : new Event(params) |
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| 341 | |
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| 342 | // handle event groupings |
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| 343 | this.handleEventGrouping(flow, flash, params) |
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| 344 | |
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| 345 | // validate event |
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| 346 | if (event.validate()) { |
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| 347 | def increment = flow.events.size() |
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| 348 | flow.events[increment] = event |
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| 349 | success() |
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| 350 | } else { |
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| 351 | // validation failed, feedback errors |
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| 352 | flash.errors = [:] |
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| 353 | flash.values = params |
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| 354 | this.appendErrors(event, flash.errors) |
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| 355 | |
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| 356 | flash.startTime = params.startTime |
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| 357 | flash.endTime = params.endTime |
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| 358 | flash.eventDescription = params.eventDescription |
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| 359 | |
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| 360 | error() |
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| 361 | } |
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| 362 | }.to "events" |
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| 363 | on("deleteEvent") { |
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| 364 | flash.values = params |
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| 365 | def delete = params.get('do') as int; |
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| 366 | |
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| 367 | // handle event groupings |
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| 368 | this.handleEventGrouping(flow, flash, params) |
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| 369 | |
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| 370 | // remove event |
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| 371 | if (flow.events[ delete ] && flow.events[ delete ] instanceof Event) { |
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| 372 | flow.events.remove(delete) |
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| 373 | } |
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| 374 | }.to "events" |
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| 375 | on("addEventGroup") { |
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| 376 | flash.values = params |
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| 377 | |
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| 378 | // handle event groupings |
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| 379 | this.handleEventGrouping(flow, flash, params) |
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| 380 | |
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| 381 | def increment = flow.eventGroups.size() |
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| 382 | def groupName = "Group " + (increment + 1) |
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| 383 | |
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| 384 | // check if group name exists |
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| 385 | def nameExists = true |
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| 386 | def u = 0 |
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| 387 | |
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| 388 | // make sure a unique name is generated |
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| 389 | while (nameExists) { |
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| 390 | u++ |
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| 391 | def count = 0 |
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| 392 | |
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| 393 | flow.eventGroups.each() { |
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| 394 | if (it.name == groupName) { |
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| 395 | groupName = "Group " + (increment + 1) + "," + u |
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| 396 | } else { |
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| 397 | count++ |
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| 398 | } |
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| 399 | } |
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| 400 | |
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| 401 | nameExists = !(count == flow.eventGroups.size()) |
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| 402 | } |
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| 403 | |
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| 404 | flow.eventGroups[increment] = new EventGroup(name: groupName) |
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| 405 | }.to "events" |
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| 406 | on("deleteEventGroup") { |
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| 407 | flash.values = params |
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| 408 | |
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| 409 | def delete = params.get('do') as int; |
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| 410 | |
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| 411 | // handle event groupings |
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| 412 | this.handleEventGrouping(flow, flash, params) |
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| 413 | |
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| 414 | // remove the group with this specific id |
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| 415 | if (flow.eventGroups[delete] && flow.eventGroups[delete] instanceof EventGroup) { |
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| 416 | // remove this eventGroup |
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| 417 | flow.eventGroups.remove(delete) |
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| 418 | } |
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| 419 | }.to "events" |
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| 420 | on("previous") { |
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| 421 | // handle event groupings |
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| 422 | this.handleEventGrouping(flow, flash, params) |
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| 423 | }.to "eventDescriptions" |
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| 424 | on("next") { |
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| 425 | flash.values = params |
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| 426 | flash.errors = [:] |
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| 427 | |
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| 428 | // handle event groupings |
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| 429 | this.handleEventGrouping(flow, flash, params) |
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| 430 | |
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| 431 | // check if we have at least one subject |
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| 432 | // and check form data |
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| 433 | if (flow.events.size() < 1) { |
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| 434 | // append error map |
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| 435 | flash.values = params |
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| 436 | this.appendErrorMap(['events': 'You need at least to create one event for your study'], flash.errors) |
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| 437 | error() |
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| 438 | } |
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| 439 | }.to "confirm" |
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| 440 | } |
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| 441 | |
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| 442 | confirm { |
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| 443 | render(view: "_confirmation") |
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| 444 | onRender { |
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| 445 | flow.page = 6 |
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| 446 | } |
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| 447 | on("toStudy").to "study" |
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| 448 | on("toSubjects").to "subjects" |
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| 449 | on("toEvents").to "events" |
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| 450 | on("previous").to "events" |
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| 451 | on("next").to "save" |
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| 452 | } |
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| 453 | |
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| 454 | // store all study data |
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| 455 | save { |
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| 456 | action { |
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| 457 | println "saving..." |
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| 458 | flash.errors = [:] |
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| 459 | |
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| 460 | // start transaction |
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| 461 | def transaction = sessionFactory.getCurrentSession().beginTransaction() |
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| 462 | |
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| 463 | // persist data to the database |
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| 464 | try { |
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| 465 | // save EventDescriptions |
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| 466 | flow.eventDescriptions.each() { |
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| 467 | if (!it.save(flush:true)) { |
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| 468 | this.appendErrors(it, flash.errors) |
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| 469 | throw new Exception('error saving eventDescription') |
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| 470 | } |
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| 471 | println "saved eventdescription "+it |
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| 472 | } |
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| 473 | |
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| 474 | // TODO: eventDescriptions that are not linked to an event are currently |
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| 475 | // stored but end up in a black hole. We should either decide to |
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| 476 | // NOT store these eventDescriptions, or add "hasmany eventDescriptions" |
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| 477 | // to Study domain class |
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| 478 | |
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| 479 | // save events |
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| 480 | flow.events.each() { |
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| 481 | if (!it.save(flush:true)) { |
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| 482 | this.appendErrors(it, flash.errors) |
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| 483 | throw new Exception('error saving event') |
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| 484 | } |
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| 485 | println "saved event "+it |
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| 486 | |
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| 487 | // add to study |
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| 488 | if (it instanceof SamplingEvent) { |
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| 489 | flow.study.addToSamplingEvents(it) |
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| 490 | } else { |
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| 491 | flow.study.addToEvents(it) |
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| 492 | } |
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| 493 | } |
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| 494 | |
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| 495 | // save eventGroups |
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| 496 | flow.eventGroups.each() { |
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| 497 | if (!it.save(flush:true)) { |
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| 498 | this.appendErrors(it, flash.errors) |
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| 499 | throw new Exception('error saving eventGroup') |
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| 500 | } |
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| 501 | println "saved eventGroup "+it |
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| 502 | |
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| 503 | // add to study |
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| 504 | flow.study.addToEventGroups(it) |
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| 505 | } |
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| 506 | |
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| 507 | // save subjects |
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| 508 | flow.subjects.each() { |
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| 509 | if (!it.save(flush:true)) { |
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| 510 | this.appendErrors(it, flash.errors) |
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| 511 | throw new Exception('error saving subject') |
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| 512 | } |
|---|
| 513 | println "saved subject "+it |
|---|
| 514 | |
|---|
| 515 | // add this subject to the study |
|---|
| 516 | flow.study.addToSubjects(it) |
|---|
| 517 | } |
|---|
| 518 | |
|---|
| 519 | // save study |
|---|
| 520 | if (!flow.study.save(flush:true)) { |
|---|
| 521 | this.appendErrors(flow.study, flash.errors) |
|---|
| 522 | throw new Exception('error saving study') |
|---|
| 523 | } |
|---|
| 524 | println "saved study "+flow.study+" (id: "+flow.study.id+")" |
|---|
| 525 | |
|---|
| 526 | // commit transaction |
|---|
| 527 | println "commit" |
|---|
| 528 | transaction.commit() |
|---|
| 529 | success() |
|---|
| 530 | } catch (Exception e) { |
|---|
| 531 | // rollback |
|---|
| 532 | this.appendErrorMap(['exception': e.toString() + ', see log for stacktrace' ], flash.errors) |
|---|
| 533 | |
|---|
| 534 | // stacktrace in flash scope |
|---|
| 535 | flash.debug = e.getStackTrace() |
|---|
| 536 | |
|---|
| 537 | println "rollback" |
|---|
| 538 | transaction.rollback() |
|---|
| 539 | error() |
|---|
| 540 | } |
|---|
| 541 | } |
|---|
| 542 | on("error").to "error" |
|---|
| 543 | on(Exception).to "error" |
|---|
| 544 | on("success").to "done" |
|---|
| 545 | } |
|---|
| 546 | |
|---|
| 547 | // error storing data |
|---|
| 548 | error { |
|---|
| 549 | render(view: "_error") |
|---|
| 550 | onRender { |
|---|
| 551 | flow.page = 6 |
|---|
| 552 | } |
|---|
| 553 | on("next").to "save" |
|---|
| 554 | on("previous").to "events" |
|---|
| 555 | } |
|---|
| 556 | |
|---|
| 557 | // render page three |
|---|
| 558 | done { |
|---|
| 559 | render(view: "_done") |
|---|
| 560 | onRender { |
|---|
| 561 | flow.page = 7 |
|---|
| 562 | } |
|---|
| 563 | on("previous") { |
|---|
| 564 | // TODO |
|---|
| 565 | }.to "confirm" |
|---|
| 566 | } |
|---|
| 567 | } |
|---|
| 568 | |
|---|
| 569 | /** |
|---|
| 570 | * re-usable code for handling study form data in a web flow |
|---|
| 571 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 572 | * @param Map localAttributeMap (the flash scope) |
|---|
| 573 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 574 | * @returns boolean |
|---|
| 575 | */ |
|---|
| 576 | def handleStudy(flow, flash, params) { |
|---|
| 577 | // create study instance if we have none |
|---|
| 578 | if (!flow.study) flow.study = new Study(); |
|---|
| 579 | |
|---|
| 580 | // create date instance from date string? |
|---|
| 581 | // @see WizardTagLibrary::dateElement{...} |
|---|
| 582 | if (params.get('startDate')) { |
|---|
| 583 | params.startDate = new Date().parse("d/M/yyyy", params.get('startDate').toString()) |
|---|
| 584 | } else { |
|---|
| 585 | params.remove('startDate') |
|---|
| 586 | } |
|---|
| 587 | |
|---|
| 588 | // if a template is selected, get template instance |
|---|
| 589 | def template = params.remove('template') |
|---|
| 590 | if (template instanceof String && template.size() > 0) { |
|---|
| 591 | params.template = Template.findByName(template) |
|---|
| 592 | } else if (template instanceof Template) { |
|---|
| 593 | params.template = template |
|---|
| 594 | } |
|---|
| 595 | |
|---|
| 596 | // update study instance with parameters |
|---|
| 597 | params.each() { key, value -> |
|---|
| 598 | if (flow.study.hasProperty(key)) { |
|---|
| 599 | flow.study.setProperty(key, value); |
|---|
| 600 | } |
|---|
| 601 | } |
|---|
| 602 | |
|---|
| 603 | // walk through template fields |
|---|
| 604 | if (params.template) { |
|---|
| 605 | params.template.fields.each() { field -> |
|---|
| 606 | flow.study.setFieldValue(field.name, params.get(field.escapedName())) |
|---|
| 607 | } |
|---|
| 608 | } |
|---|
| 609 | |
|---|
| 610 | // validate study |
|---|
| 611 | if (flow.study.validate()) { |
|---|
| 612 | return true |
|---|
| 613 | } else { |
|---|
| 614 | // validation failed, feedback errors |
|---|
| 615 | flash.errors = [:] |
|---|
| 616 | this.appendErrors(flow.study, flash.errors) |
|---|
| 617 | return false |
|---|
| 618 | } |
|---|
| 619 | } |
|---|
| 620 | |
|---|
| 621 | /** |
|---|
| 622 | * re-usable code for handling eventDescription form data in a web flow |
|---|
| 623 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 624 | * @param Map localAttributeMap (the flash scope) |
|---|
| 625 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 626 | * @returns boolean |
|---|
| 627 | */ |
|---|
| 628 | def handleEventDescriptions(flow, flash, params) { |
|---|
| 629 | def names = [:] |
|---|
| 630 | def errors = false |
|---|
| 631 | def id = 0 |
|---|
| 632 | |
|---|
| 633 | flow.eventDescriptions.each() { |
|---|
| 634 | it.name = params.get('eventDescription_' + id + '_name') |
|---|
| 635 | it.description = params.get('eventDescription_' + id + '_description') |
|---|
| 636 | it.protocol = Protocol.findByName(params.get('eventDescription_' + id + '_protocol')) |
|---|
| 637 | //it.classification = Term.findByName(params.get('eventDescription_' + id + '_classification')) |
|---|
| 638 | it.isSamplingEvent = (params.containsKey('eventDescription_' + id + '_isSamplingEvent')) |
|---|
| 639 | |
|---|
| 640 | // validate eventDescription |
|---|
| 641 | if (!it.validate()) { |
|---|
| 642 | errors = true |
|---|
| 643 | this.appendErrors(it, flash.errors, 'eventDescription_' + id + '_') |
|---|
| 644 | } |
|---|
| 645 | |
|---|
| 646 | id++ |
|---|
| 647 | } |
|---|
| 648 | |
|---|
| 649 | return !errors |
|---|
| 650 | } |
|---|
| 651 | |
|---|
| 652 | /** |
|---|
| 653 | * re-usable code for handling event grouping in a web flow |
|---|
| 654 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 655 | * @param Map localAttributeMap (the flash scope) |
|---|
| 656 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 657 | * @returns boolean |
|---|
| 658 | */ |
|---|
| 659 | def handleEventGrouping(flow, flash, params) { |
|---|
| 660 | // walk through eventGroups |
|---|
| 661 | def g = 0 |
|---|
| 662 | flow.eventGroups.each() { |
|---|
| 663 | def e = 0 |
|---|
| 664 | def eventGroup = it |
|---|
| 665 | |
|---|
| 666 | // reset events |
|---|
| 667 | eventGroup.events = new HashSet() |
|---|
| 668 | |
|---|
| 669 | // walk through events |
|---|
| 670 | flow.events.each() { |
|---|
| 671 | if (params.get('event_' + e + '_group_' + g) == 'on') { |
|---|
| 672 | eventGroup.addToEvents(it) |
|---|
| 673 | } |
|---|
| 674 | e++ |
|---|
| 675 | } |
|---|
| 676 | g++ |
|---|
| 677 | } |
|---|
| 678 | } |
|---|
| 679 | |
|---|
| 680 | /** |
|---|
| 681 | * re-usable code for handling subject form data in a web flow |
|---|
| 682 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 683 | * @param Map localAttributeMap (the flash scope) |
|---|
| 684 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 685 | * @returns boolean |
|---|
| 686 | */ |
|---|
| 687 | def handleSubjects(flow, flash, params) { |
|---|
| 688 | def names = [:]; |
|---|
| 689 | def errors = false; |
|---|
| 690 | def id = 0; |
|---|
| 691 | |
|---|
| 692 | // iterate through subject templates |
|---|
| 693 | flow.subjectTemplates.each() { |
|---|
| 694 | def subjectTemplate = it.getValue().template |
|---|
| 695 | def templateFields = subjectTemplate.fields |
|---|
| 696 | |
|---|
| 697 | // iterate through subjects |
|---|
| 698 | it.getValue().subjects.each() { subjectId -> |
|---|
| 699 | flow.subjects[ subjectId ].name = params.get('subject_' + subjectId + '_name') |
|---|
| 700 | flow.subjects[ subjectId ].species = Term.findByName(params.get('subject_' + subjectId + '_species')) |
|---|
| 701 | |
|---|
| 702 | // remember name and check for duplicates |
|---|
| 703 | if (!names[ flow.subjects[ subjectId ].name ]) { |
|---|
| 704 | names[ flow.subjects[ subjectId ].name ] = [count: 1, first: 'subject_' + subjectId + '_name', firstId: subjectId] |
|---|
| 705 | } else { |
|---|
| 706 | // duplicate name found, set error flag |
|---|
| 707 | names[ flow.subjects[ subjectId ].name ]['count']++ |
|---|
| 708 | |
|---|
| 709 | // second occurence? |
|---|
| 710 | if (names[ flow.subjects[ subjectId ].name ]['count'] == 2) { |
|---|
| 711 | // yeah, also mention the first |
|---|
| 712 | // occurrence in the error message |
|---|
| 713 | this.appendErrorMap(name: 'The subject name needs to be unique!', flash.errors, 'subject_' + names[ flow.subjects[ subjectId ].name ]['firstId'] + '_') |
|---|
| 714 | } |
|---|
| 715 | |
|---|
| 716 | // add to error map |
|---|
| 717 | this.appendErrorMap([name: 'The subject name needs to be unique!'], flash.errors, 'subject_' + subjectId + '_') |
|---|
| 718 | errors = true |
|---|
| 719 | } |
|---|
| 720 | |
|---|
| 721 | // iterate through template fields |
|---|
| 722 | templateFields.each() { subjectField -> |
|---|
| 723 | flow.subjects[ subjectId ].setFieldValue( |
|---|
| 724 | subjectField.name, |
|---|
| 725 | params.get( 'subject_' + subjectId + '_' + subjectField.escapedName() ) |
|---|
| 726 | ) |
|---|
| 727 | } |
|---|
| 728 | |
|---|
| 729 | // validate subject |
|---|
| 730 | if (!flow.subjects[ subjectId ].validate()) { |
|---|
| 731 | errors = true |
|---|
| 732 | this.appendErrors(flow.subjects[ subjectId ], flash.errors, 'subject_' + subjectId + '_') |
|---|
| 733 | } |
|---|
| 734 | } |
|---|
| 735 | } |
|---|
| 736 | |
|---|
| 737 | return !errors |
|---|
| 738 | } |
|---|
| 739 | |
|---|
| 740 | /** |
|---|
| 741 | * return the object from a map of objects by searching for a name |
|---|
| 742 | * @param String name |
|---|
| 743 | * @param Map map of objects |
|---|
| 744 | * @return Object |
|---|
| 745 | */ |
|---|
| 746 | def getObjectByName(name, map) { |
|---|
| 747 | def result = null |
|---|
| 748 | map.each() { |
|---|
| 749 | if (it.name == name) { |
|---|
| 750 | result = it |
|---|
| 751 | } |
|---|
| 752 | } |
|---|
| 753 | |
|---|
| 754 | return result |
|---|
| 755 | } |
|---|
| 756 | |
|---|
| 757 | /** |
|---|
| 758 | * transform domain class validation errors into a human readable |
|---|
| 759 | * linked hash map |
|---|
| 760 | * @param object validated domain class |
|---|
| 761 | * @returns object linkedHashMap |
|---|
| 762 | */ |
|---|
| 763 | def getHumanReadableErrors(object) { |
|---|
| 764 | def errors = [:] |
|---|
| 765 | object.errors.getAllErrors().each() { |
|---|
| 766 | errors[it.getArguments()[0]] = it.getDefaultMessage() |
|---|
| 767 | } |
|---|
| 768 | |
|---|
| 769 | return errors |
|---|
| 770 | } |
|---|
| 771 | |
|---|
| 772 | /** |
|---|
| 773 | * append errors of a particular object to a map |
|---|
| 774 | * @param object |
|---|
| 775 | * @param map linkedHashMap |
|---|
| 776 | * @void |
|---|
| 777 | */ |
|---|
| 778 | def appendErrors(object, map) { |
|---|
| 779 | this.appendErrorMap(this.getHumanReadableErrors(object), map) |
|---|
| 780 | } |
|---|
| 781 | |
|---|
| 782 | def appendErrors(object, map, prepend) { |
|---|
| 783 | this.appendErrorMap(this.getHumanReadableErrors(object), map, prepend) |
|---|
| 784 | } |
|---|
| 785 | |
|---|
| 786 | /** |
|---|
| 787 | * append errors of one map to another map |
|---|
| 788 | * @param map linkedHashMap |
|---|
| 789 | * @param map linkedHashMap |
|---|
| 790 | * @void |
|---|
| 791 | */ |
|---|
| 792 | def appendErrorMap(map, mapToExtend) { |
|---|
| 793 | map.each() {key, value -> |
|---|
| 794 | mapToExtend[key] = ['key': key, 'value': value, 'dynamic': false] |
|---|
| 795 | } |
|---|
| 796 | } |
|---|
| 797 | |
|---|
| 798 | def appendErrorMap(map, mapToExtend, prepend) { |
|---|
| 799 | map.each() {key, value -> |
|---|
| 800 | mapToExtend[prepend + key] = ['key': key, 'value': value, 'dynamic': true] |
|---|
| 801 | } |
|---|
| 802 | } |
|---|
| 803 | } |
|---|
