| 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: 335 $ |
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| 20 | * $Author: duh $ |
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| 21 | * $Date: 2010-04-09 13:11:35 +0000 (vr, 09 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") { |
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| 80 | // NOTE: this action is called by an Ajax |
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| 81 | // request rendered in the _start |
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| 82 | // template. So for the end user the |
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| 83 | // webflow actually starts in the |
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| 84 | // study logic... |
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| 85 | // This ajax call is required to make |
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| 86 | // the ajax flow work correctly |
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| 87 | }.to "study" |
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| 88 | } |
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| 89 | |
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| 90 | // render and handle the study page |
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| 91 | // TODO: make sure both template as well as logic will |
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| 92 | // handle Study templates as well!!! |
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| 93 | study { |
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| 94 | render(view: "_study") |
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| 95 | onRender { |
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| 96 | flow.page = 2 |
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| 97 | } |
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| 98 | on("switchTemplate") { |
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| 99 | // handle study data |
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| 100 | this.handleStudy(flow, flash, params) |
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| 101 | |
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| 102 | // remove errors as we don't want any warnings now |
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| 103 | flash.errors = [:] |
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| 104 | }.to "study" |
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| 105 | on("previous") { |
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| 106 | flash.errors = [:] |
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| 107 | |
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| 108 | if (this.handleStudy(flow, flash, params)) { |
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| 109 | success() |
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| 110 | } else { |
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| 111 | error() |
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| 112 | } |
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| 113 | }.to "start" |
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| 114 | on("next") { |
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| 115 | flash.errors = [:] |
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| 116 | |
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| 117 | if (this.handleStudy(flow, flash, params)) { |
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| 118 | success() |
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| 119 | } else { |
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| 120 | error() |
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| 121 | } |
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| 122 | }.to "subjects" |
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| 123 | } |
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| 124 | |
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| 125 | // render and handle subjects page |
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| 126 | subjects { |
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| 127 | render(view: "_subjects") |
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| 128 | onRender { |
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| 129 | flow.page = 3 |
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| 130 | |
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| 131 | if (!flow.subjects) { |
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| 132 | flow.subjects = [] |
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| 133 | flow.subjectTemplates = [:] |
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| 134 | } |
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| 135 | } |
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| 136 | on("add") { |
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| 137 | // fetch species by name (as posted by the form) |
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| 138 | def speciesTerm = Term.findByName(params.addSpecies) |
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| 139 | def subjectTemplateName = params.get('template') |
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| 140 | def subjectTemplate = Template.findByName(subjectTemplateName) |
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| 141 | |
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| 142 | // add this subject template to the subject template array |
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| 143 | if (!flow.subjectTemplates[ subjectTemplateName ]) { |
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| 144 | flow.subjectTemplates[ subjectTemplateName ] = [ |
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| 145 | name: subjectTemplateName, |
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| 146 | template: subjectTemplate, |
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| 147 | subjects: [] |
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| 148 | ] |
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| 149 | } |
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| 150 | |
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| 151 | // add x subject of species y |
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| 152 | (params.addNumber as int).times { |
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| 153 | def increment = flow.subjects.size() |
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| 154 | def subject = new Subject( |
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| 155 | name: 'Subject ' + (increment + 1), |
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| 156 | species: speciesTerm, |
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| 157 | template: subjectTemplate |
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| 158 | ) |
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| 159 | |
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| 160 | // instantiate a new Subject |
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| 161 | flow.subjects[ increment ] = subject |
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| 162 | |
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| 163 | // and remember the subject id with the template |
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| 164 | def subjectsSize = flow.subjectTemplates[ subjectTemplateName ]['subjects'].size() |
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| 165 | flow.subjectTemplates[ subjectTemplateName ]['subjects'][ subjectsSize ] = increment |
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| 166 | } |
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| 167 | }.to "subjects" |
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| 168 | on("next") { |
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| 169 | flash.errors = [:] |
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| 170 | |
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| 171 | // check if we have at least one subject |
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| 172 | // and check form data |
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| 173 | if (flow.subjects.size() < 1) { |
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| 174 | // append error map |
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| 175 | this.appendErrorMap(['subjects': 'You need at least to create one subject for your study'], flash.errors) |
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| 176 | error() |
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| 177 | } else if (!this.handleSubjects(flow, flash, params)) { |
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| 178 | error() |
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| 179 | } else { |
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| 180 | success() |
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| 181 | } |
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| 182 | }.to "eventDescriptions" |
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| 183 | on("delete") { |
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| 184 | flash.errors = [:] |
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| 185 | def delete = params.get('do') as int; |
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| 186 | |
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| 187 | // remove subject |
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| 188 | if (flow.subjects[ delete ] && flow.subjects[ delete ] instanceof Subject) { |
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| 189 | flow.subjectTemplates.each() { templateName, templateData -> |
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| 190 | templateData.subjects.remove(delete) |
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| 191 | } |
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| 192 | |
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| 193 | flow.subjects.remove( delete ) |
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| 194 | } |
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| 195 | }.to "subjects" |
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| 196 | on("previous") { |
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| 197 | flash.errors = [:] |
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| 198 | |
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| 199 | // handle form data |
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| 200 | if (!this.handleSubjects(flow, flash, params)) { |
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| 201 | error() |
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| 202 | } else { |
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| 203 | success() |
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| 204 | } |
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| 205 | }.to "study" |
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| 206 | } |
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| 207 | |
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| 208 | // render page three |
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| 209 | eventDescriptions { |
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| 210 | render(view: "_eventDescriptions") |
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| 211 | onRender { |
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| 212 | flow.page = 4 |
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| 213 | |
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| 214 | if (!flow.eventDescriptions) { |
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| 215 | flow.eventDescriptions = [] |
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| 216 | } |
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| 217 | } |
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| 218 | on("add") { |
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| 219 | // fetch classification by name (as posted by the form) |
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| 220 | //params.classification = Term.findByName(params.classification) |
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| 221 | |
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| 222 | // fetch protocol by name (as posted by the form) |
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| 223 | params.protocol = Protocol.findByName(params.protocol) |
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| 224 | |
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| 225 | // transform checkbox form value to boolean |
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| 226 | params.isSamplingEvent = (params.containsKey('isSamplingEvent')) |
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| 227 | |
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| 228 | // instantiate EventDescription with parameters |
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| 229 | def eventDescription = new EventDescription(params) |
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| 230 | |
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| 231 | // validate |
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| 232 | if (eventDescription.validate()) { |
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| 233 | def increment = flow.eventDescriptions.size() |
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| 234 | flow.eventDescriptions[increment] = eventDescription |
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| 235 | success() |
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| 236 | } else { |
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| 237 | // validation failed, feedback errors |
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| 238 | flash.errors = [:] |
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| 239 | flash.values = params |
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| 240 | this.appendErrors(eventDescription, flash.errors) |
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| 241 | error() |
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| 242 | } |
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| 243 | }.to "eventDescriptions" |
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| 244 | on("delete") { |
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| 245 | def delete = params.get('do') as int; |
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| 246 | |
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| 247 | // handle form data |
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| 248 | if (!this.handleEventDescriptions(flow, flash, params)) { |
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| 249 | flash.values = params |
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| 250 | error() |
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| 251 | } else { |
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| 252 | success() |
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| 253 | } |
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| 254 | |
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| 255 | // remove eventDescription |
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| 256 | if (flow.eventDescriptions[ delete ] && flow.eventDescriptions[ delete ] instanceof EventDescription) { |
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| 257 | // remove all events based on this eventDescription |
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| 258 | for ( i in flow.events.size()..0 ) { |
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| 259 | if (flow.events[ i ] && flow.events[ i ].eventDescription == flow.eventDescriptions[ delete ]) { |
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| 260 | flow.events.remove(i) |
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| 261 | } |
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| 262 | } |
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| 263 | |
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| 264 | flow.eventDescriptions.remove(delete) |
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| 265 | } |
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| 266 | }.to "eventDescriptions" |
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| 267 | on("previous") { |
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| 268 | flash.errors = [:] |
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| 269 | |
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| 270 | // handle form data |
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| 271 | if (!this.handleEventDescriptions(flow, flash, params)) { |
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| 272 | flash.values = params |
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| 273 | error() |
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| 274 | } else { |
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| 275 | success() |
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| 276 | } |
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| 277 | }.to "subjects" |
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| 278 | on("next") { |
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| 279 | flash.errors = [:] |
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| 280 | |
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| 281 | // check if we have at least one subject |
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| 282 | // and check form data |
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| 283 | if (flow.eventDescriptions.size() < 1) { |
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| 284 | // append error map |
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| 285 | flash.values = params |
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| 286 | this.appendErrorMap(['eventDescriptions': 'You need at least to create one eventDescription for your study'], flash.errors) |
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| 287 | error() |
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| 288 | } else if (!this.handleEventDescriptions(flow, flash, params)) { |
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| 289 | flash.values = params |
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| 290 | error() |
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| 291 | } else { |
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| 292 | success() |
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| 293 | } |
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| 294 | }.to "events" |
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| 295 | } |
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| 296 | |
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| 297 | // render events page |
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| 298 | events { |
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| 299 | render(view: "_events") |
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| 300 | onRender { |
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| 301 | flow.page = 5 |
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| 302 | |
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| 303 | if (!flow.events) { |
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| 304 | flow.events = [] |
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| 305 | } |
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| 306 | |
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| 307 | if (!flow.eventGroups) { |
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| 308 | flow.eventGroups = [] |
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| 309 | flow.eventGroups[0] = new EventGroup(name: 'Group 1') // 1 group by default |
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| 310 | } |
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| 311 | } |
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| 312 | on("add") { |
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| 313 | // create date instances from date string? |
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| 314 | // @see WizardTagLibrary::timeElement{...} |
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| 315 | if (params.get('startTime')) { |
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| 316 | params.startTime = new Date().parse("d/M/yyyy HH:mm", params.get('startTime').toString()) |
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| 317 | } |
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| 318 | if (params.get('endTime')) { |
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| 319 | params.get('endTime').toString() |
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| 320 | params.endTime = new Date().parse("d/M/yyyy HH:mm", params.get('endTime').toString()) |
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| 321 | } |
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| 322 | |
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| 323 | // get eventDescription instance by name |
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| 324 | params.eventDescription = this.getObjectByName(params.get('eventDescription'), flow.eventDescriptions) |
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| 325 | |
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| 326 | // instantiate Event with parameters |
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| 327 | def event = (params.eventDescription.isSamplingEvent) ? new SamplingEvent(params) : new Event(params) |
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| 328 | |
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| 329 | // handle event groupings |
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| 330 | this.handleEventGrouping(flow, flash, params) |
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| 331 | |
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| 332 | // validate event |
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| 333 | if (event.validate()) { |
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| 334 | def increment = flow.events.size() |
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| 335 | flow.events[increment] = event |
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| 336 | success() |
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| 337 | } else { |
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| 338 | // validation failed, feedback errors |
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| 339 | flash.errors = [:] |
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| 340 | flash.values = params |
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| 341 | this.appendErrors(event, flash.errors) |
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| 342 | |
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| 343 | flash.startTime = params.startTime |
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| 344 | flash.endTime = params.endTime |
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| 345 | flash.eventDescription = params.eventDescription |
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| 346 | |
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| 347 | error() |
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| 348 | } |
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| 349 | }.to "events" |
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| 350 | on("deleteEvent") { |
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| 351 | flash.values = params |
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| 352 | def delete = params.get('do') as int; |
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| 353 | |
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| 354 | // handle event groupings |
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| 355 | this.handleEventGrouping(flow, flash, params) |
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| 356 | |
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| 357 | // remove event |
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| 358 | if (flow.events[ delete ] && flow.events[ delete ] instanceof Event) { |
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| 359 | flow.events.remove(delete) |
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| 360 | } |
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| 361 | }.to "events" |
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| 362 | on("addEventGroup") { |
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| 363 | flash.values = params |
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| 364 | |
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| 365 | // handle event groupings |
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| 366 | this.handleEventGrouping(flow, flash, params) |
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| 367 | |
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| 368 | def increment = flow.eventGroups.size() |
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| 369 | def groupName = "Group " + (increment + 1) |
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| 370 | |
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| 371 | // check if group name exists |
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| 372 | def nameExists = true |
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| 373 | def u = 0 |
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| 374 | |
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| 375 | // make sure a unique name is generated |
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| 376 | while (nameExists) { |
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| 377 | u++ |
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| 378 | def count = 0 |
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| 379 | |
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| 380 | flow.eventGroups.each() { |
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| 381 | if (it.name == groupName) { |
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| 382 | groupName = "Group " + (increment + 1) + "," + u |
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| 383 | } else { |
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| 384 | count++ |
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| 385 | } |
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| 386 | } |
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| 387 | |
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| 388 | nameExists = !(count == flow.eventGroups.size()) |
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| 389 | } |
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| 390 | |
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| 391 | flow.eventGroups[increment] = new EventGroup(name: groupName) |
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| 392 | }.to "events" |
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| 393 | on("deleteEventGroup") { |
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| 394 | flash.values = params |
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| 395 | |
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| 396 | def delete = params.get('do') as int; |
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| 397 | |
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| 398 | // handle event groupings |
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| 399 | this.handleEventGrouping(flow, flash, params) |
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| 400 | |
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| 401 | // remove the group with this specific id |
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| 402 | if (flow.eventGroups[delete] && flow.eventGroups[delete] instanceof EventGroup) { |
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| 403 | // remove this eventGroup |
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| 404 | flow.eventGroups.remove(delete) |
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| 405 | } |
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| 406 | }.to "events" |
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| 407 | on("previous") { |
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| 408 | // handle event groupings |
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| 409 | this.handleEventGrouping(flow, flash, params) |
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| 410 | }.to "eventDescriptions" |
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| 411 | on("next") { |
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| 412 | flash.values = params |
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| 413 | flash.errors = [:] |
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| 414 | |
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| 415 | // handle event groupings |
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| 416 | this.handleEventGrouping(flow, flash, params) |
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| 417 | |
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| 418 | // check if we have at least one subject |
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| 419 | // and check form data |
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| 420 | if (flow.events.size() < 1) { |
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| 421 | // append error map |
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| 422 | flash.values = params |
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| 423 | this.appendErrorMap(['events': 'You need at least to create one event for your study'], flash.errors) |
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| 424 | error() |
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| 425 | } |
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| 426 | }.to "confirm" |
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| 427 | } |
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| 428 | |
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| 429 | confirm { |
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| 430 | render(view: "_confirmation") |
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| 431 | onRender { |
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| 432 | flow.page = 6 |
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| 433 | } |
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| 434 | on("toStudy").to "study" |
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| 435 | on("toSubjects").to "subjects" |
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| 436 | on("toEvents").to "events" |
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| 437 | on("previous").to "events" |
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| 438 | on("next").to "save" |
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| 439 | } |
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| 440 | |
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| 441 | // store all study data |
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| 442 | save { |
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| 443 | action { |
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| 444 | println "saving..." |
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| 445 | flash.errors = [:] |
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| 446 | |
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| 447 | // start transaction |
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| 448 | def transaction = sessionFactory.getCurrentSession().beginTransaction() |
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| 449 | |
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| 450 | // persist data to the database |
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| 451 | try { |
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| 452 | // save EventDescriptions |
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| 453 | flow.eventDescriptions.each() { |
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| 454 | if (!it.save(flush:true)) { |
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| 455 | this.appendErrors(it, flash.errors) |
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| 456 | throw new Exception('error saving eventDescription') |
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| 457 | } |
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| 458 | println "saved eventdescription "+it |
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| 459 | } |
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| 460 | |
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| 461 | // TODO: eventDescriptions that are not linked to an event are currently |
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| 462 | // stored but end up in a black hole. We should either decide to |
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| 463 | // NOT store these eventDescriptions, or add "hasmany eventDescriptions" |
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| 464 | // to Study domain class |
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| 465 | |
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| 466 | // save events |
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| 467 | flow.events.each() { |
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| 468 | if (!it.save(flush:true)) { |
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| 469 | this.appendErrors(it, flash.errors) |
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| 470 | throw new Exception('error saving event') |
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| 471 | } |
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| 472 | println "saved event "+it |
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| 473 | |
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| 474 | // add to study |
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| 475 | if (it instanceof SamplingEvent) { |
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| 476 | flow.study.addToSamplingEvents(it) |
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| 477 | } else { |
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| 478 | flow.study.addToEvents(it) |
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| 479 | } |
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| 480 | } |
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| 481 | |
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| 482 | // save eventGroups |
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| 483 | flow.eventGroups.each() { |
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| 484 | if (!it.save(flush:true)) { |
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| 485 | this.appendErrors(it, flash.errors) |
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| 486 | throw new Exception('error saving eventGroup') |
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| 487 | } |
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| 488 | println "saved eventGroup "+it |
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| 489 | |
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| 490 | // add to study |
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| 491 | flow.study.addToEventGroups(it) |
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| 492 | } |
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| 493 | |
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| 494 | // save subjects |
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| 495 | flow.subjects.each() { |
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| 496 | if (!it.save(flush:true)) { |
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| 497 | this.appendErrors(it, flash.errors) |
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| 498 | throw new Exception('error saving subject') |
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| 499 | } |
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| 500 | println "saved subject "+it |
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| 501 | |
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| 502 | // add this subject to the study |
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| 503 | flow.study.addToSubjects(it) |
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| 504 | } |
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| 505 | |
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| 506 | // save study |
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| 507 | if (!flow.study.save(flush:true)) { |
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| 508 | this.appendErrors(flow.study, flash.errors) |
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| 509 | throw new Exception('error saving study') |
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| 510 | } |
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| 511 | println "saved study "+flow.study+" (id: "+flow.study.id+")" |
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| 512 | |
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| 513 | // commit transaction |
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| 514 | println "commit" |
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| 515 | transaction.commit() |
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| 516 | success() |
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| 517 | } catch (Exception e) { |
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| 518 | // rollback |
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| 519 | this.appendErrorMap(['exception': e.toString() + ', see log for stacktrace' ], flash.errors) |
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| 520 | |
|---|
| 521 | // stacktrace in flash scope |
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| 522 | flash.debug = e.getStackTrace() |
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| 523 | |
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| 524 | println "rollback" |
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| 525 | transaction.rollback() |
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| 526 | error() |
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| 527 | } |
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| 528 | } |
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| 529 | on("error").to "error" |
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| 530 | on(Exception).to "error" |
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| 531 | on("success").to "done" |
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| 532 | } |
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| 533 | |
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| 534 | // error storing data |
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| 535 | error { |
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| 536 | render(view: "_error") |
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| 537 | onRender { |
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| 538 | flow.page = 6 |
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| 539 | } |
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| 540 | on("next").to "save" |
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| 541 | on("previous").to "events" |
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| 542 | } |
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| 543 | |
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| 544 | // render page three |
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| 545 | done { |
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| 546 | render(view: "_done") |
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| 547 | onRender { |
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| 548 | flow.page = 7 |
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| 549 | } |
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| 550 | on("previous") { |
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| 551 | // TODO |
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| 552 | }.to "confirm" |
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| 553 | } |
|---|
| 554 | } |
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| 555 | |
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| 556 | /** |
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| 557 | * re-usable code for handling study form data in a web flow |
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| 558 | * @param Map LocalAttributeMap (the flow scope) |
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| 559 | * @param Map localAttributeMap (the flash scope) |
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| 560 | * @param Map GrailsParameterMap (the flow parameters = form data) |
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| 561 | * @returns boolean |
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| 562 | */ |
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| 563 | def handleStudy(flow, flash, params) { |
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| 564 | // create study instance if we have none |
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| 565 | if (!flow.study) flow.study = new Study(); |
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| 566 | |
|---|
| 567 | // create date instance from date string? |
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| 568 | // @see WizardTagLibrary::dateElement{...} |
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| 569 | if (params.get('startDate')) { |
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| 570 | params.startDate = new Date().parse("d/M/yyyy", params.get('startDate').toString()) |
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| 571 | } else { |
|---|
| 572 | params.remove('startDate') |
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| 573 | } |
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| 574 | |
|---|
| 575 | // if a template is selected, get template instance |
|---|
| 576 | def template = params.remove('template') |
|---|
| 577 | if (template instanceof String && template.size() > 0) { |
|---|
| 578 | params.template = Template.findByName(template) |
|---|
| 579 | } else if (template instanceof Template) { |
|---|
| 580 | params.template = template |
|---|
| 581 | } |
|---|
| 582 | |
|---|
| 583 | // update study instance with parameters |
|---|
| 584 | params.each() { key, value -> |
|---|
| 585 | if (flow.study.hasProperty(key)) { |
|---|
| 586 | flow.study.setProperty(key, value); |
|---|
| 587 | } |
|---|
| 588 | } |
|---|
| 589 | |
|---|
| 590 | // walk through template fields |
|---|
| 591 | if (params.template) { |
|---|
| 592 | params.template.fields.each() { field -> |
|---|
| 593 | flow.study.setFieldValue(field.name, params.get(field.escapedName())) |
|---|
| 594 | } |
|---|
| 595 | } |
|---|
| 596 | |
|---|
| 597 | // validate study |
|---|
| 598 | if (flow.study.validate()) { |
|---|
| 599 | return true |
|---|
| 600 | } else { |
|---|
| 601 | // validation failed, feedback errors |
|---|
| 602 | flash.errors = [:] |
|---|
| 603 | this.appendErrors(flow.study, flash.errors) |
|---|
| 604 | return false |
|---|
| 605 | } |
|---|
| 606 | } |
|---|
| 607 | |
|---|
| 608 | /** |
|---|
| 609 | * re-usable code for handling eventDescription form data in a web flow |
|---|
| 610 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 611 | * @param Map localAttributeMap (the flash scope) |
|---|
| 612 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 613 | * @returns boolean |
|---|
| 614 | */ |
|---|
| 615 | def handleEventDescriptions(flow, flash, params) { |
|---|
| 616 | def names = [:] |
|---|
| 617 | def errors = false |
|---|
| 618 | def id = 0 |
|---|
| 619 | |
|---|
| 620 | flow.eventDescriptions.each() { |
|---|
| 621 | it.name = params.get('eventDescription_' + id + '_name') |
|---|
| 622 | it.description = params.get('eventDescription_' + id + '_description') |
|---|
| 623 | it.protocol = Protocol.findByName(params.get('eventDescription_' + id + '_protocol')) |
|---|
| 624 | //it.classification = Term.findByName(params.get('eventDescription_' + id + '_classification')) |
|---|
| 625 | it.isSamplingEvent = (params.containsKey('eventDescription_' + id + '_isSamplingEvent')) |
|---|
| 626 | |
|---|
| 627 | // validate eventDescription |
|---|
| 628 | if (!it.validate()) { |
|---|
| 629 | errors = true |
|---|
| 630 | this.appendErrors(it, flash.errors, 'eventDescription_' + id + '_') |
|---|
| 631 | } |
|---|
| 632 | |
|---|
| 633 | id++ |
|---|
| 634 | } |
|---|
| 635 | |
|---|
| 636 | return !errors |
|---|
| 637 | } |
|---|
| 638 | |
|---|
| 639 | /** |
|---|
| 640 | * re-usable code for handling event grouping in a web flow |
|---|
| 641 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 642 | * @param Map localAttributeMap (the flash scope) |
|---|
| 643 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 644 | * @returns boolean |
|---|
| 645 | */ |
|---|
| 646 | def handleEventGrouping(flow, flash, params) { |
|---|
| 647 | // walk through eventGroups |
|---|
| 648 | def g = 0 |
|---|
| 649 | flow.eventGroups.each() { |
|---|
| 650 | def e = 0 |
|---|
| 651 | def eventGroup = it |
|---|
| 652 | |
|---|
| 653 | // reset events |
|---|
| 654 | eventGroup.events = new HashSet() |
|---|
| 655 | |
|---|
| 656 | // walk through events |
|---|
| 657 | flow.events.each() { |
|---|
| 658 | if (params.get('event_' + e + '_group_' + g) == 'on') { |
|---|
| 659 | eventGroup.addToEvents(it) |
|---|
| 660 | } |
|---|
| 661 | e++ |
|---|
| 662 | } |
|---|
| 663 | g++ |
|---|
| 664 | } |
|---|
| 665 | } |
|---|
| 666 | |
|---|
| 667 | /** |
|---|
| 668 | * re-usable code for handling subject form data in a web flow |
|---|
| 669 | * @param Map LocalAttributeMap (the flow scope) |
|---|
| 670 | * @param Map localAttributeMap (the flash scope) |
|---|
| 671 | * @param Map GrailsParameterMap (the flow parameters = form data) |
|---|
| 672 | * @returns boolean |
|---|
| 673 | */ |
|---|
| 674 | def handleSubjects(flow, flash, params) { |
|---|
| 675 | def names = [:]; |
|---|
| 676 | def errors = false; |
|---|
| 677 | def id = 0; |
|---|
| 678 | |
|---|
| 679 | // iterate through subject templates |
|---|
| 680 | flow.subjectTemplates.each() { |
|---|
| 681 | def subjectTemplate = it.getValue().template |
|---|
| 682 | def templateFields = subjectTemplate.fields |
|---|
| 683 | |
|---|
| 684 | // iterate through subjects |
|---|
| 685 | it.getValue().subjects.each() { subjectId -> |
|---|
| 686 | flow.subjects[ subjectId ].name = params.get('subject_' + subjectId + '_name') |
|---|
| 687 | flow.subjects[ subjectId ].species = Term.findByName(params.get('subject_' + subjectId + '_species')) |
|---|
| 688 | |
|---|
| 689 | // remember name and check for duplicates |
|---|
| 690 | if (!names[ flow.subjects[ subjectId ].name ]) { |
|---|
| 691 | names[ flow.subjects[ subjectId ].name ] = [count: 1, first: 'subject_' + subjectId + '_name', firstId: subjectId] |
|---|
| 692 | } else { |
|---|
| 693 | // duplicate name found, set error flag |
|---|
| 694 | names[ flow.subjects[ subjectId ].name ]['count']++ |
|---|
| 695 | |
|---|
| 696 | // second occurence? |
|---|
| 697 | if (names[ flow.subjects[ subjectId ].name ]['count'] == 2) { |
|---|
| 698 | // yeah, also mention the first |
|---|
| 699 | // occurrence in the error message |
|---|
| 700 | this.appendErrorMap(name: 'The subject name needs to be unique!', flash.errors, 'subject_' + names[ flow.subjects[ subjectId ].name ]['firstId'] + '_') |
|---|
| 701 | } |
|---|
| 702 | |
|---|
| 703 | // add to error map |
|---|
| 704 | this.appendErrorMap([name: 'The subject name needs to be unique!'], flash.errors, 'subject_' + subjectId + '_') |
|---|
| 705 | errors = true |
|---|
| 706 | } |
|---|
| 707 | |
|---|
| 708 | // iterate through template fields |
|---|
| 709 | templateFields.each() { subjectField -> |
|---|
| 710 | flow.subjects[ subjectId ].setFieldValue( |
|---|
| 711 | subjectField.name, |
|---|
| 712 | params.get( 'subject_' + subjectId + '_' + subjectField.escapedName() ) |
|---|
| 713 | ) |
|---|
| 714 | } |
|---|
| 715 | |
|---|
| 716 | // validate subject |
|---|
| 717 | if (!flow.subjects[ subjectId ].validate()) { |
|---|
| 718 | errors = true |
|---|
| 719 | this.appendErrors(flow.subjects[ subjectId ], flash.errors, 'subject_' + subjectId + '_') |
|---|
| 720 | } |
|---|
| 721 | } |
|---|
| 722 | } |
|---|
| 723 | |
|---|
| 724 | return !errors |
|---|
| 725 | } |
|---|
| 726 | |
|---|
| 727 | /** |
|---|
| 728 | * return the object from a map of objects by searching for a name |
|---|
| 729 | * @param String name |
|---|
| 730 | * @param Map map of objects |
|---|
| 731 | * @return Object |
|---|
| 732 | */ |
|---|
| 733 | def getObjectByName(name, map) { |
|---|
| 734 | def result = null |
|---|
| 735 | map.each() { |
|---|
| 736 | if (it.name == name) { |
|---|
| 737 | result = it |
|---|
| 738 | } |
|---|
| 739 | } |
|---|
| 740 | |
|---|
| 741 | return result |
|---|
| 742 | } |
|---|
| 743 | |
|---|
| 744 | /** |
|---|
| 745 | * transform domain class validation errors into a human readable |
|---|
| 746 | * linked hash map |
|---|
| 747 | * @param object validated domain class |
|---|
| 748 | * @returns object linkedHashMap |
|---|
| 749 | */ |
|---|
| 750 | def getHumanReadableErrors(object) { |
|---|
| 751 | def errors = [:] |
|---|
| 752 | object.errors.getAllErrors().each() { |
|---|
| 753 | errors[it.getArguments()[0]] = it.getDefaultMessage() |
|---|
| 754 | } |
|---|
| 755 | |
|---|
| 756 | return errors |
|---|
| 757 | } |
|---|
| 758 | |
|---|
| 759 | /** |
|---|
| 760 | * append errors of a particular object to a map |
|---|
| 761 | * @param object |
|---|
| 762 | * @param map linkedHashMap |
|---|
| 763 | * @void |
|---|
| 764 | */ |
|---|
| 765 | def appendErrors(object, map) { |
|---|
| 766 | this.appendErrorMap(this.getHumanReadableErrors(object), map) |
|---|
| 767 | } |
|---|
| 768 | |
|---|
| 769 | def appendErrors(object, map, prepend) { |
|---|
| 770 | this.appendErrorMap(this.getHumanReadableErrors(object), map, prepend) |
|---|
| 771 | } |
|---|
| 772 | |
|---|
| 773 | /** |
|---|
| 774 | * append errors of one map to another map |
|---|
| 775 | * @param map linkedHashMap |
|---|
| 776 | * @param map linkedHashMap |
|---|
| 777 | * @void |
|---|
| 778 | */ |
|---|
| 779 | def appendErrorMap(map, mapToExtend) { |
|---|
| 780 | map.each() {key, value -> |
|---|
| 781 | mapToExtend[key] = ['key': key, 'value': value, 'dynamic': false] |
|---|
| 782 | } |
|---|
| 783 | } |
|---|
| 784 | |
|---|
| 785 | def appendErrorMap(map, mapToExtend, prepend) { |
|---|
| 786 | map.each() {key, value -> |
|---|
| 787 | mapToExtend[prepend + key] = ['key': key, 'value': value, 'dynamic': true] |
|---|
| 788 | } |
|---|
| 789 | } |
|---|
| 790 | } |
|---|
