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studie_designs.coffee
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Fri, Jul 5, 15:29

studie_designs.coffee
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class @StudyDesign
constructor: (doc) ->
_.extend this, doc
@StudyDesigns = new Meteor.Collection("study_designs",
transform: (doc) ->
new StudyDesign(doc)
)
StudyDesigns.before.insert BeforeInsertTimestampHook
StudyDesigns.before.update BeforeUpdateTimestampHook
schema =
'title':
type: String
'studyId':
type: String
'creatorId':
type: String
'visits':
type: [Object]
optional: true
'visits._id':
type: String
'visits.title':
type: String
'visits.index':
type: Number
#TODO: attach schema
#StudyDesigns.attachSchema new SimpleSchema(schema)
StudyDesigns.allow
update: (userId, doc, fieldNames, modifier) ->
#TODO check if allowed
notAllowedFields = _.without fieldNames, 'title', 'updatedAt'
return false if notAllowedFields.length > 0
true
#TODO secure methods
Meteor.methods
"createStudyDesign": (studyId, title) ->
count = StudyDesigns.find(
studyId: studyId
).count()
_id = StudyDesigns.insert
title: "design #{count+1}"
studyId: studyId
creatorId: Meteor.userId()
visits: [
_id: new Meteor.Collection.ObjectID()._str
day: 0
index: 0
title: "baseline"
]
_id
"removeStudyDesign": (_id) ->
#TODO: check if allowed
StudyDesigns.remove
_id: _id
"addStudyDesignVisit": (studyDesignId, days) ->
check studyDesignId, String
days = parseInt(days)
check days, Number
design = StudyDesigns.findOne
_id: studyDesignId
throw new Meteor.Error(500, "StudyDesign #{studyDesignId} not found!") unless design?
preVisit = design.visits[design.visits.length-1]
day = preVisit.day+days
if preVisit.day is day
throw new Meteor.Error(500, "A visit on this day already exists")
title = "visit #{design.visits.length}"
if design.visits.length is 0
title = "baseline"
visit =
_id: new Meteor.Collection.ObjectID()._str
day: day
title: title
StudyDesigns.update
_id: studyDesignId
,
$push:
visits: visit
"scheduleQuestionnaireAtVisit": (studyDesignId, visitId, questionnaireId, doSchedule, doAllOfGroup) ->
check visitId, String
check questionnaireId, String
if doSchedule
n = 0
n = StudyDesigns.update
_id: studyDesignId
,
$push:
questionnaireIds: questionnaireId
throw new Meteor.Error(500, "mapQuestionnaireToVisit: no StudyDesign found") unless n > 0
n = 0
find =
_id: studyDesignId
'visits._id': visitId
if doSchedule
n = StudyDesigns.update find,
$push:
'visits.$.questionnaireIds': questionnaireId
else
n = StudyDesigns.update find,
$pull:
'visits.$.questionnaireIds': questionnaireId
throw new Meteor.Error(500, "mapQuestionnaireToVisit: no StudyDesign with that visit found") unless n > 0
"scheduleRecordPhysicalDataAtVisit": (studyDesignId, visitId, doSchedule) ->
check visitId, String
check studyDesignId, String
n = StudyDesigns.update
_id: studyDesignId
'visits._id': visitId
,
$set:
'visits.$.recordPhysicalData': doSchedule
throw new Meteor.Error(500, "recordPhysicalDataAtVisit: no StudyDesign with that visit found") unless n > 0

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