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studie_designs.coffee
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Fri, Jun 28, 13:24

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: "visit 1"
]
_id
"removeStudyDesign": (_id) ->
#TODO: check if allowed
StudyDesigns.remove
_id: _id
"addStudyDesignVisit": (studyDesignId) ->
check studyDesignId, String
design = StudyDesigns.findOne
_id: studyDesignId
throw new Meteor.Error(500, "StudyDesign #{studyDesignId} not found!") unless design?
index = design.visits.length
title = "visit #{index+1}"
visit =
_id: new Meteor.Collection.ObjectID()._str
title: title
index: index
StudyDesigns.update
_id: studyDesignId
,
$push:
visits: visit
"changeStudyDesignVisitTitle": (studyDesignId, visitId, title) ->
check studyDesignId, String
check visitId, String
check title, String
n = StudyDesigns.update
_id: studyDesignId
'visits._id': visitId
,
$set:
'visits.$.title': title
throw new Meteor.Error(500, "changeStudyVisitTitle: no StudyDesign.visit to update found") unless n > 0
"changeStudyDesignVisitDay": (studyDesignId, visitId, day) ->
check studyDesignId, String
check visitId, String
day = parseInt(day)
check day, Number
day = null if isNaN(day)
n = StudyDesigns.update
_id: studyDesignId
'visits._id': visitId
,
$set:
'visits.$.day': day
throw new Meteor.Error(500, "changeStudyVisitTitle: no StudyDesign.visit to update found") unless n > 0
"scheduleQuestionnairesAtVisit": (studyDesignId, visitId, questionnaireIds) ->
check studyDesignId, String
check visitId, String
check questionnaireIds, [String]
n = StudyDesigns.update
_id: studyDesignId
'visits._id': visitId
,
$set:
'visits.$.questionnaireIds': questionnaireIds
throw new Meteor.Error(500, "scheduleQuestionnaireAtVisit: no StudyDesign with that visit found") unless n > 0
updateQuestionnaireIdsOfStudyDesign(studyDesignId)
return
"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, "scheduleRecordPhysicalDataAtVisit: no StudyDesign with that visit found") unless n > 0
updateRecordPhysicalDataOfStudyDesign(studyDesignId)
return
"moveStudyDesignVisit": (studyDesignId, visitId, up) ->
check visitId, String
check studyDesignId, String
design = StudyDesigns.findOne
_id: studyDesignId
throw new Meteor.Error(500, "removeStudyDesignVisit: studyDesign not found") unless design?
visit = _.find design.visits, (v) ->
v._id is visitId
throw new Meteor.Error(500, "removeStudyDesignVisit: visit not found") unless visit?
move = -1
move = 1 if !up
return if visit.index is 0 and move is -1
return if visit.index+1 >= design.visits.length and move is 1
StudyDesigns.update
_id: studyDesignId
'visits.index': visit.index+move
,
$inc:
'visits.$.index': -move
StudyDesigns.update
_id: studyDesignId
'visits._id': visitId
,
$inc:
'visits.$.index': move
"removeStudyDesignVisit": (studyDesignId, visitId) ->
check visitId, String
check studyDesignId, String
design = StudyDesigns.findOne
_id: studyDesignId
throw new Meteor.Error(500, "removeStudyDesignVisit: studyDesign not found") unless design?
visit = _.find design.visits, (v) ->
v._id is visitId
throw new Meteor.Error(500, "removeStudyDesignVisit: visit not found") unless visit?
StudyDesigns.update
_id: studyDesignId
,
$pull: {visits: {_id: visitId}}
#TODO normalize visits into it's own collection
#to avoid stuff like this
index = visit.index+1
loop
n = StudyDesigns.update
_id: studyDesignId
'visits.index': index
,
$inc: {'visits.$.index': -1}
index += 1
break if n is 0
updateQuestionnaireIdsOfStudyDesign(studyDesignId)
updateRecordPhysicalDataOfStudyDesign(studyDesignId)
return
updateQuestionnaireIdsOfStudyDesign = (studyDesignId) ->
design = StudyDesigns.findOne studyDesignId
throw new Meteor.Error(500, "updateQuestionnaireIdsOfStudyDesign: studyDesign not found") unless design?
questionnaireIds = []
design.visits.forEach (visit) ->
if visit.questionnaireIds? and visit.questionnaireIds.length > 0
questionnaireIds = _.union questionnaireIds, visit.questionnaireIds
StudyDesigns.update
_id: studyDesignId
,
$set:
questionnaireIds: questionnaireIds
updateRecordPhysicalDataOfStudyDesign = (studyDesignId) ->
design = StudyDesigns.findOne studyDesignId
throw new Meteor.Error(500, "updateRecordPhysicalDataOfStudyDesign: studyDesign not found") unless design?
recordPhysicalData = false
_.some design.visits, (visit) ->
if visit.recordPhysicalData?
recordPhysicalData = visit.recordPhysicalData
recordPhysicalData
StudyDesigns.update
_id: studyDesignId
,
$set:
recordPhysicalData: recordPhysicalData

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