예제 #1
0
파일: model.go 프로젝트: nimishgupta/Apply2
func LoadDept(host string, port string) (*Dept, error) {
	appDb, error := db.NewDatabase(host, port, applicationsSuffix)
	if error != nil {
		return nil, error
	}
	reviewerDb, error := db.NewDatabase(host, port, reviewersSuffix)
	if error != nil {
		return nil, error
	}
	commentsDb, error := db.NewDatabase(host, port, commentsSuffix)
	if error != nil {
		return nil, error
	}
	highlightsDb, error := db.NewDatabase(host, port, highlightsSuffix)
	if error != nil {
		return nil, error
	}
	scoresDb, error := db.NewDatabase(host, port, scoresSuffix)
	if error != nil {
		return nil, error
	}
	uploadsDB, error := db.NewDatabase(host, port, "uploads")
	if error != nil {
		return nil, error
	}
	fromApplicantsDB, error := db.NewDatabase(host, port, "from-applicants")
	if error != nil {
		return nil, error
	}

	dept := &Dept{&appDb, &reviewerDb, &commentsDb, &highlightsDb,
		&scoresDb, &uploadsDB, &fromApplicantsDB}
	for _, deptDB := range dept.databases() {
		if !deptDB.Exists() {
			return nil, errors.New(fmt.Sprintf("database %v missing", deptDB.Name))
		}
	}
	return dept, nil
}
예제 #2
0
파일: model.go 프로젝트: nimishgupta/Apply2
func NewDept(host string, port string) (dept *Dept, err error) {
	_, err = db.NewDatabase(host, port, applicationsSuffix)
	if err != nil {
		return nil, err
	}
	_, err = db.NewDatabase(host, port, reviewersSuffix)
	if err != nil {
		return nil, err
	}
	commentsDB, err := db.NewDatabase(host, port, commentsSuffix)
	if err != nil {
		return nil, err
	}
	highlightsDB, err := db.NewDatabase(host, port, highlightsSuffix)
	if err != nil {
		return nil, err
	}
	_, err = db.NewDatabase(host, port, "uploads")
	if err != nil {
		return nil, err
	}

	commentsDesign := map[string]interface{}{
		"_id":      "_design/myviews",
		"language": "javascript",
		"views": map[string]interface{}{
			"byAppId": map[string]interface{}{
				"map": `function(doc) { emit(doc.appId, doc); }`,
			},
		},
	}
	_, _, err = commentsDB.Insert(commentsDesign)
	if err != nil {
		return nil, err
	}
	highlightsDesign := map[string]interface{}{
		"_id":      "_design/myviews",
		"language": "javascript",
		"views": map[string]interface{}{
			"byReader": map[string]interface{}{
				"map": `function(doc) { emit(doc.readerId, { writerId: doc.writerId, appId: doc.appId }); }`,
			},
			"byApp": map[string]interface{}{
				"map": `function(doc) { emit(doc.appId, { _rev: doc._rev, _id: doc._id, readerId: doc.readerId }); }`,
			},
		},
	}
	_, _, err = highlightsDB.Insert(highlightsDesign)
	if err != nil {
		return nil, err
	}

	const averagesMap = `function(doc) {
    var r = { };
    r[doc.label] = { sum: doc.score, len: 1, avg: doc.score };
    emit(doc.appId, r);
  }`
	const averagesReduce = `function (key, values, rereduce) {
    var r = { };
    for (var i = 0; i < values.length; i++) {
      for (var label in values[i]) {
        if (!values[i].hasOwnProperty(label)) {
          continue;
        }
        if (!r.hasOwnProperty(label)) {
          r[label] = { sum: 0, len: 0 };
        }
        r[label].sum += values[i][label].sum;
        r[label].len += values[i][label].len;
        r[label].avg = r[label].sum / r[label].len;
      }
    }
    return r;
  }`

	scoresDB, err := db.NewDatabase(host, port, scoresSuffix)
	if err != nil {
		return nil, err
	}
	scoresDesign := map[string]interface{}{
		"_id":      "_design/myviews",
		"language": "javascript",
		"views": map[string]interface{}{
			"byId": map[string]interface{}{
				"map": `function(doc) { emit(doc._id, doc); }`,
			},
			"averages": map[string]interface{}{
				"map":    averagesMap,
				"reduce": averagesReduce,
			},
		},
	}
	_, _, err = scoresDB.Insert(scoresDesign)
	if err != nil {
		return nil, err
	}

	dept, err = LoadDept(host, port)
	return
}