1 | var express = require("express") |
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2 | , _ = require("underscore") |
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3 | , HTTPResult = require("../util/http-result") |
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4 | , etags = require("../util/etags") |
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5 | ; |
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6 | |
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7 | module.exports = function(couch,schema) { |
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8 | var exports = {}; |
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9 | var util = require('./util')(couch,schema); |
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10 | var app = exports.app = express(); |
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11 | |
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12 | app.get('/', |
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13 | util.ensureMIME(util.JSON_MIME), |
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14 | function(req,res) { |
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15 | var url; |
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16 | if ( 'drafts' in req.query ) { |
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17 | url = '_design/surveys/_view/drafts'; |
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18 | } else if ( 'published' in req.query ) { |
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19 | url = '_design/surveys/_view/published'; |
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20 | } else { |
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21 | url = '_design/default/_view/by_type?key='+JSON.stringify('Survey'); |
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22 | } |
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23 | couch.get(url) |
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24 | .handle({ |
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25 | '-1': _.identity, |
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26 | 200: function(result) { |
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27 | return _.map(result.rows, function(item) { |
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28 | return item.value; |
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29 | }); |
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30 | }, |
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31 | default: util.handleUnknownResponse |
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32 | }) |
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33 | .handle({'-1': util.handleException}) |
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34 | .handle(res.send.bind(res)); |
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35 | }); |
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36 | app.post('/', |
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37 | util.ensureMIME(util.JSON_MIME), |
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38 | function(req,res) { |
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39 | var doc = req.body; |
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40 | var hr; |
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41 | if ( !util.areDocsUnique(doc.questions) ) { |
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42 | hr = new HTTPResult(400,{error:"Survey contains duplicate questions."}); |
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43 | } else if ( util.isDocPublished(doc) && |
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44 | !util.areDocsPublished(doc.questions) ) { |
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45 | hr = new HTTPResult(400,{error:"Cannot publish Survey with unpublished questions."}); |
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46 | } else { |
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47 | hr = util.postDocument('Survey',doc); |
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48 | } |
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49 | hr.handle({'-1': util.handleException}) |
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50 | .handle(res.send.bind(res)); |
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51 | }); |
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52 | app.get('/:id', |
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53 | util.ensureMIME(util.JSON_MIME), |
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54 | util.makeDocGet_id('Survey')); |
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55 | app.put('/:id', |
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56 | util.ensureMIME(util.JSON_MIME), |
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57 | function(req,res) { |
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58 | var id = req.params.id; |
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59 | var doc = req.body; |
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60 | var rev = etags.parse(req.header('If-Match'))[0] || (doc && doc._rev); |
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61 | if ( !util.areDocsUnique(doc.questions) ) { |
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62 | new HTTPResult(400,{error:"Survey contains duplicate questions."}) |
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63 | .handle(res.send.bind(res)); |
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64 | } else if ( util.isDocPublished(doc) && |
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65 | !util.areDocsPublished(doc.questions) ) { |
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66 | new HTTPResult(400,{error:"Cannot publish Survey with unpublished questions."}) |
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67 | .handle(res.send.bind(res)); |
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68 | } else { |
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69 | util.putDocument(id,rev,'Survey',doc) |
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70 | .handle({ |
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71 | '-1': function(result) { |
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72 | util.handleException(result) |
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73 | .handle(res.send.bind(res)); |
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74 | }, |
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75 | 201: function(doc) { |
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76 | res.set({ |
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77 | 'ETag': etags.format([doc._rev]) |
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78 | }).send(201, doc); |
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79 | }, |
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80 | default: res.send.bind(res) |
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81 | }); |
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82 | } |
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83 | }); |
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84 | app.delete('/:id', |
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85 | util.ensureMIME(util.JSON_MIME), |
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86 | util.makeDocDel_id('Survey')); |
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87 | return exports; |
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88 | }; |
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