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epiph/app/lib/collections/questions.coffee
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questions.coffee
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class @Question
constructor: (doc) ->
_.extend this, doc
getModifiedPlainObject: (modifier) ->
TempCollection = new Mongo.Collection("temp", connection: null)
TempCollection.insert(@)
selector = { _id: @_id }
TempCollection.update(selector, modifier)
simulation = TempCollection.findOne(selector)
TempCollection.remove(selector)
simulation.updatedAt = Date.now()
JSON.parse(JSON.stringify(simulation))
copy: ->
copy = _.clone @
#http://stackoverflow.com/questions/597588/how-do-you-clone-an-array-of-objects-in-javascript
if @choices?
copy.choices = JSON.parse(JSON.stringify(@choices))
if @subquestions?
copy.subquestions = JSON.parse(JSON.stringify(@subquestions))
copy
translateTo: (lang) ->
return if !lang
try
translation = @translations[lang]
try
@label = translation.label if translation.label?
try
@choices.forEach (c) ->
translatedChoice = translation.choices.find (tc) ->
tc.value is c.value
if translatedChoice?
c.label = translatedChoice.label
try
@subquestions.forEach (s) ->
tSubquestion = translation.subquestions.find (ts) ->
ts.code is s.code
if tSubquestion?
s.label = tSubquestion.label if tSubquestion.label?
s.minLabel = tSubquestion.minLabel if tSubquestion.minLabel?
s.maxLabel = tSubquestion.maxLabel if tSubquestion.maxLabel?
return @
getSchemaDict: (lang) ->
s = _.pickDeep @, 'type', 'label', 'optional', 'min', 'max', 'decimal', 'options', 'options.label', 'options.value'
switch @type
when "text"
s.type = String
s.autoform =
type: "textarea"
when "number"
s.type = Number
when "boolean"
s.type = Boolean
s.autoform =
type: "boolean-radios"
when "date"
s.type = Date
s.autoform =
type: "bootstrap-datepicker"
when "dateTime"
s.type = Date
s.autoform =
type: "bootstrap-datetimepicker"
when "multipleChoice"
s.autoform =
options: @choices
if @selectionMode is "multi"
s.type = [String]
if @orientation is 'inline'
s.autoform.type = "select-checkbox-inline"
else #if @orientation is 'vertical'
s.autoform.type = "select-checkbox"
else #if @selectionMode is "single"
s.type = String
if @orientation is 'inline'
s.autoform.type = "select-radio-inline"
else #if @orientation is 'vertical'
s.autoform.type = "select-radio"
when "description"
s.type = String
s.label = ' '
s.autoform =
type: "description"
delete s.options
return s
getMetaSchemaDict: (finalValidation)->
schema = {}
noWhitespaceRegex = /^\S*$/ #don't match if contains whitespace
if @type is "table" or @type is "table_polar"
_.extend schema,
label:
label: "Title"
type: String
optional: true
autoform:
type: "textarea"
else if @type isnt "description"
_.extend schema,
code:
label: "Code"
type: String
regEx: noWhitespaceRegex
defaultValue: new Mongo.ObjectID()._str
label:
label: "Question"
type: String
defaultValue: "Insert label here"
autoform:
type: "textarea"
_.extend schema,
type:
label: "Type"
type: String
autoform:
type: "select"
options: ->
[
{label: "Text", value: "text"},
{label: "Number", value: "number"},
{label: "Boolean", value: "boolean"},
{label: "Date", value: "date"},
{label: "Date & Time", value: "dateTime"},
{label: "Multiple Choice", value: "multipleChoice"},
{label: "Table Multiple Choice", value: "table"},
{label: "Table Polar", value: "table_polar"},
{label: "Description (no question)", value: "description"},
]
break:
label: "insert pagebreak after this item"
type: Boolean
defaultValue: false
if @type isnt "description"
_.extend schema,
optional:
label: "Optional"
type: Boolean
defaultValue: true
if @type is "multipleChoice" or @type is "table" or @type is "table_polar"
_.extend schema,
selectionMode:
label: "Mode"
type: String
defaultValue: "single"
autoform:
type: "select-radio-inline"
options: [
label: "single selection (radios)"
value: "single"
,
label: "multiple selections (checkboxes)"
value: "multi"
]
if @type is "multipleChoice"
_.extend schema,
orientation:
label: "Orientation"
type: String
defaultValue: "vertical"
autoform:
type: "select-radio-inline"
options: [
label: "inline"
value: "inline"
,
label: "vertical"
value: "vertical"
]
if @type is "description"
_.extend schema,
label:
label: "Text (markdown)"
type: String
defaultValue: "Insert text here"
autoform:
type: "textarea"
rows: 10
if @type is "number"
_.extend schema,
min:
type: Number
optional: true
decimal: true
max:
type: Number
optional: true
decimal: true
decimal:
type: Boolean
defaultValue: false
if @type is "multipleChoice" or @type is "table" or @type is "table_polar"
_.extend schema,
choices:
type: [Object]
label: "Choices"
minCount: 1
defaultValue: [{label: "Insert choice here", value: "1"}]
'choices.$.label':
type: String
optional: true
'choices.$.value':
type: String
regEx: noWhitespaceRegex
if @selectionMode is "multi"
schema['choices.$.value'].custom = ->
#console.log "> #{@value} #{@key} <"
#console.log "----"
digitRegex = /(\d+)/g
matches = digitRegex.exec(@key)
if matches.length > 0
index = parseInt(matches[0])-1
while index >= 0
v = @field("choices.#{index}.value").value
#console.log v
if v? and v.valueOf() is @value.valueOf()
return "notUnique"
index -= 1
return
if @type is "table"
_.extend schema,
subquestions:
type: [Object]
label: "Subquestions"
minCount: 1
defaultValue: [{label: "Insert question here", code: new Mongo.ObjectID()._str}]
'subquestions.$.label':
type: String
autoform:
type: "textarea"
'subquestions.$.code':
type: String
regEx: noWhitespaceRegex
custom: ->
digitRegex = /(\d+)/g
matches = digitRegex.exec(@key)
if matches.length > 0
index = parseInt(matches[0])-1
while index >= 0
v = @field("subquestions.#{index}.code").value
if v? and v.valueOf() is @value.valueOf()
return "notUnique"
index -= 1
return
if @type is "table_polar"
_.extend schema,
subquestions:
type: [Object]
label: "Subquestions"
minCount: 1
defaultValue: [{code: new Mongo.ObjectID()._str}]
'subquestions.$.minLabel':
label: "min label"
type: String
optional: true
'subquestions.$.maxLabel':
label: "max label"
type: String
optional: true
'subquestions.$.code':
type: String
regEx: noWhitespaceRegex
custom: ->
digitRegex = /(\d+)/g
matches = digitRegex.exec(@key)
if matches.length > 0
index = parseInt(matches[0])-1
while index >= 0
v = @field("subquestions.#{index}.code").value
if v? and v.valueOf() is @value.valueOf()
return "notUnique"
index -= 1
return
_.extend schema,
translations:
type: Object
blackbox: true
optional: true
if finalValidation
_.extend schema,
_id:
type: String
optional: true
questionnaireId:
type: String
index:
type: Number
createdAt:
type: Number
optional: true
updatedAt:
type: Number
optional: true
return schema
getTranslationSchemaDict: ->
schema = {}
noWhitespaceRegex = /^\S*$/ #don't match if contains whitespace
if @type is "table" or @type is "table_polar"
_.extend schema,
label:
label: "Title"
type: String
optional: true
autoform:
type: "textarea"
else if @type isnt "description"
_.extend schema,
label:
label: "Question"
type: String
autoform:
type: "textarea"
if @type is "description"
_.extend schema,
label:
label: "Text (markdown)"
type: String
autoform:
type: "textarea"
rows: 10
if @type is "multipleChoice" or @type is "table" or @type is "table_polar"
_.extend schema,
choices:
type: [Object]
label: "Choices"
minCount: @choices.length or 1
maxCount: @choices.length or 1
'choices.$.label':
type: String
optional: true
'choices.$.value':
type: String
autoform:
readonly: true
if @type is "table"
_.extend schema,
subquestions:
type: [Object]
label: "Subquestions"
minCount: @subquestions.length or 1
maxCount: @subquestions.length or 1
'subquestions.$.label':
type: String
autoform:
type: "textarea"
'subquestions.$.code':
type: String
autoform:
readonly: true
if @type is "table_polar"
_.extend schema,
subquestions:
type: [Object]
label: "Subquestions"
minCount: 0
maxCount: @subquestions.length
'subquestions.$.minLabel':
label: "min label"
type: String
optional: true
'subquestions.$.maxLabel':
label: "max label"
type: String
optional: true
'subquestions.$.code':
type: String
autoform:
readonly: true
return schema
@Questions = new Meteor.Collection("questions",
transform: (doc) ->
new Question(doc)
)
Questions.before.insert BeforeInsertTimestampHook
Questions.before.update BeforeUpdateTimestampHook
Meteor.methods
insertQuestion: (question) ->
checkIfAdmin()
check(question.questionnaireId, String)
questionnaire = Questionnaires.findOne question.questionnaireId
throw new Meteor.Error(400, "questionnaire #{question.questionnaireId}) not found.") unless questionnaire?
check(question.type, String)
if question.type isnt "text" and question.type isnt "description"
throw new Meteor.Error(400, "only text and description questions can be inserted")
delete question._id
delete question.code
numQuestions = Questions.find(questionnaireId: questionnaire._id).count()
nextIndex = numQuestions+1
if (question.index? and question.index > nextIndex) or !question.index?
question.index = nextIndex
q = new Question(question)
ss = new SimpleSchema(q.getMetaSchemaDict(true))
ss.clean(question)
check(question, ss)
Questions.insert question
copyQuestion: (questionId) ->
checkIfAdmin()
check questionId, String
question = Questions.findOne questionId
throw new Meteor.Error(403, "question (#{questionId}) not found.") unless question?
questionnaire = Questionnaires.findOne question.questionnaireId
throw new Meteor.Error(400, "questionnaire #{question.questionnaireId}) not found.") unless questionnaire?
delete question._id
if question.code?
question.code += ":#{new Mongo.ObjectID()._str}"
if question.subquestions?
question.subquestions.forEach (q) ->
q.code += ":#{new Mongo.ObjectID()._str}"
question.index = Questions.find(questionnaireId: questionnaire._id).count()+1
q = new Question(question)
ss = new SimpleSchema(q.getMetaSchemaDict(true))
ss.clean(question)
check(question, ss)
Questions.insert question
updateQuestion: (modifier, docId) ->
checkIfAdmin()
check(modifier, Object)
check(docId, String)
question = Questions.findOne docId
throw new Meteor.Error(403, "question (#{docId}) not found.") unless question?
typeChange = false
#check if question.code is unique
if (code = modifier['$set'].code) and code isnt question.code
count = Questions.find(
_id: $ne: question._id
questionnaireId: question.questionnaireId
$or: [ {code: code}, {'subquestions.code': code} ]
).count()
if count > 0
details = EJSON.stringify [ {name: "code", type: "notUnique", value: code} ]
throw new Meteor.Error(400, "validationError", details)
#check for dangerous changes not allowed for already answered questions
#don't check if subquestions.$.code and choices.$.value are unique, we do that in the schema
dangerousChange = false
if (type=modifier['$set'].type)? and Object.keys(modifier['$set']).length is 1
typeChange = true
dangerousChange = true
if (choices = modifier['$set'].choices)?
if choices.length < question.choices.length
dangerousChange = true
else
i = 0
values = {}
while i<choices.length
c = choices[i]
co = question.choices[i]
if !c? #c was removed
dangerousChange = true
continue
if co? and c.value isnt co.value #co can be null if c is being added
dangerousChange = true
#check if s.value is unique within this questions choices
if values[c.value]?
details = EJSON.stringify [ {name: "choices.#{i}.value", type: "notUnique", value: c.value} ]
throw new Meteor.Error(400, "validationError", details)
values[c.value] = i
i += 1
if (subquestions = modifier['$set'].subquestions)
if subquestions.length < question.subquestions.length
dangerousChange = true
else
i = 0
codes = {}
while i<subquestions.length
s = subquestions[i]
so = question.subquestions[i]
if !s? #s was removed
dangerousChange = true
continue
else if so? and s.code isnt so.code #so can be null if s is being added
dangerousChange = true
#check if s.code is unique
#check within this questions subquestions
if codes[s.code]?
details = EJSON.stringify [ {name: "subquestions.#{i}.code", type: "notUnique", value: s.code} ]
throw new Meteor.Error(400, "validationError", details)
codes[s.code] = i
#check within other questions of this questionnaire
count = Questions.find(
_id: $ne: question._id
questionnaireId: question.questionnaireId
$or: [ {code: s.code}, {'subquestions.code': s.code} ]
).count()
if count > 0
details = EJSON.stringify [ {name: "subquestions.#{i}.code", type: "notUnique", value: s.code} ]
throw new Meteor.Error(400, "validationError", details)
i += 1
if (selectionMode=modifier['$set'].selectionMode)? and selectionMode isnt question.selectionMode
dangerousChange = true
if dangerousChange
count = Answers.find(
questionId: docId
).count()
if count > 0
throw new Meteor.Error(400, "validationErrorQuestionInUse")
q = new Question(question).getModifiedPlainObject(modifier)
schema = new Question(q).getMetaSchemaDict(true)
ss = new SimpleSchema(schema)
if typeChange
#only the type changed: we need to clean the new object
#to ornament it with default values
#apply modifier
ss.clean(q)
check(q, ss)
# delete translations entirely on typeChange
if question.translations?
delete q.translations
#replace question entirely
#use direct to prevent $set.updatedAt being added
Questions.direct.update docId, q
else
check(q, ss)
Questions.update docId, modifier
# after save tasks
# update translated choices and subquestions
question = Questions.findOne question._id
checkTranslations = false
if dangerousChange and question.translations?
Object.keys(question.translations).forEach (lang) ->
translation = question.translations[lang]
if question.choices?
checkTranslations = true
translatedChoices = []
question.choices.forEach (c) ->
translatedChoice = translation.choices.find (tc) ->
tc.value is c.value
if !translatedChoice?
translatedChoice = c
translatedChoices.push translatedChoice
Questions.update question._id,
$set:
"translations.#{lang}.choices": translatedChoices
if question.subquestions?
checkTranslations = true
translatedSubquestions = []
question.subquestions.forEach (s) ->
tSubquestion = translation.subquestions.find (ts) ->
ts.code is s.code
if !tSubquestion?
tSubquestion = s
translatedSubquestions.push tSubquestion
Questions.update question._id,
$set:
"translations.#{lang}.subquestions": translatedSubquestions
if checkTranslations
throw new Meteor.Error(400, "validationWarningCheckTranslations")
return
# changed at: 2016/08/03: didn't work in production. not able to reproduce, reason unknown.
# moveQuestion: (questionnaireId, oldIndex, newIndex) ->
# checkIfAdmin()
# check(questionnaireId, String)
# check(oldIndex, Match.Integer)
# check(newIndex, Match.Integer)
#
# questionnaire = Questionnaires.findOne
# _id: questionnaireId
#
# question = Questions.findOne
# questionnaireId: questionnaireId
# index: oldIndex
# throw new Meteor.Error(403, "question with index #{oldIndex} not found.") unless question?
#
# Questions.update
# questionnaireId: questionnaireId
# index: { $gt: oldIndex }
# ,
# $inc: { index: -1 }
# ,
# multi: true
# Questions.update
# questionnaireId: questionnaireId
# index: { $gte: newIndex }
# ,
# $inc: { index: 1 }
# ,
# multi: true
# Questions.update
# _id: question._id
# ,
# $set: { index: newIndex}
# return
moveQuestion: (questionId, up) ->
checkIfAdmin()
check(questionId, String)
check(up, Boolean)
question = Questions.findOne questionId
throw new Meteor.Error(403, "question not found.") unless question?
questionnaire = Questionnaires.findOne
_id: question.questionnaireId
throw new Meteor.Error(403, "questionnaire not found.") unless questionnaire?
numQuestions = Questions.find(
questionnaireId: questionnaire._id
).count()
if question.index is 1 and up
return
if question.index >= numQuestions and !up
return
addend = -1
addend = 1 if !up
Questions.update
questionnaireId: question.questionnaireId
index: question.index + addend
,
$inc: { index: -addend }
Questions.update
_id: questionId
,
$inc: { index: addend }
return
removeQuestion: (id) ->
checkIfAdmin()
check(id, String)
question = Questions.findOne id
throw new Meteor.Error(403, "question (#{id}) not found.") unless question?
questionnaire = Questionnaires.findOne
_id: question.questionnaireId
throw new Meteor.Error(403, "questionnaire (#{question.questionnaireId}) not found.") unless questionnaire?
#check if question is used
count = Answers.find(
questionId: id
).count()
if count > 0
throw new Meteor.Error(400, "validationErrorQuestionInUse")
Questions.remove id
#update index of remaining questions
Questions.update
questionnaireId: questionnaire._id
index: { $gt: question.index }
,
$inc: { index: -1 }
,
multi: true
return
translateQuestion: (questionId, translation, lang) ->
checkIfAdmin()
check(questionId, String)
check(translation, Object)
check(lang, String)
question = Questions.findOne questionId
throw new Meteor.Error(403, "question (#{questionId}) not found.") unless question?
ss = new SimpleSchema(question.getTranslationSchemaDict())
ss.clean(translation)
check(translation, ss)
Questions.update _id: question._id,
$set:
"translations.#{lang}": translation
Questionnaires.update
_id: question.questionnaireId
,
$addToSet:
translationLanguages: lang
return
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