-
Notifications
You must be signed in to change notification settings - Fork 47
/
line-stat-getter.js
204 lines (182 loc) · 6.38 KB
/
line-stat-getter.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
'use strict';
var _ = require('lodash');
var P = require('bluebird');
var moment = require('moment');
var BaseStatGetter = require('./base-stat-getter');
var Database = require('../utils/database');
var Interface = require('forest-express');
// jshint sub: true
function LineStatGetter(model, params, opts) {
BaseStatGetter.call(this, model, params);
var schema = Interface.Schemas.schemas[model.name];
var timeRange = params['time_range'].toLowerCase();
function getAggregateField() {
// NOTICE: As MySQL cannot support COUNT(table_name.*) syntax, fieldName
// cannot be '*'.
var fieldName = params['aggregate_field'] || schema.primaryKeys[0] ||
schema.fields[0].field;
return schema.name + '.' + fieldName;
}
function getGroupByDateField() {
var fieldName = params['group_by_date_field'];
return schema.name + '.' + fieldName;
}
var groupByDateField = getGroupByDateField();
function getGroupByDateFieldFormatedForMySQL(timeRange) {
switch (timeRange) {
case 'day':
return opts.sequelize.fn('DATE_FORMAT', opts.sequelize.col(groupByDateField),
'%Y-%m-%d 00:00:00');
case 'week':
var groupByDateFieldFormated = '`' + groupByDateField.replace('.', '`.`') + '`';
return opts.sequelize.literal('DATE_FORMAT(DATE_SUB(' + groupByDateFieldFormated +
', INTERVAL ((7 + WEEKDAY(' + groupByDateFieldFormated + ')) % 7) DAY), ' +
'\'%Y-%m-%d 00:00:00\')');
case 'month':
return opts.sequelize.fn('DATE_FORMAT', opts.sequelize.col(groupByDateField),
'%Y-%m-01 00:00:00');
case 'year':
return opts.sequelize.fn('DATE_FORMAT', opts.sequelize.col(groupByDateField),
'%Y-01-01 00:00:00');
}
}
function getGroupByDateFieldFormatedForMSSQL(timeRange) {
switch (timeRange) {
case 'day':
return opts.sequelize.fn('FORMAT', opts.sequelize.col(groupByDateField),
'yyyy-MM-dd 00:00:00');
case 'week':
var groupByDateFieldFormated = '[' + groupByDateField.replace('.', '].[') + ']';
return opts.sequelize.literal('FORMAT(DATEADD(DAY, -DATEPART(dw,' +
groupByDateFieldFormated + '),' + groupByDateFieldFormated + '), \'yyyy-MM-dd 00:00:00\')');
case 'month':
return opts.sequelize.fn('FORMAT', opts.sequelize.col(groupByDateField),
'yyyy-MM-01 00:00:00');
case 'year':
return opts.sequelize.fn('FORMAT', opts.sequelize.col(groupByDateField),
'yyyy-01-01 00:00:00');
}
}
function getGroupByDateFieldFormatedForSQLite(timeRange) {
switch (timeRange) {
case 'day': {
return opts.sequelize.fn('STRFTIME', '%Y-%m-%d',
opts.sequelize.col(groupByDateField));
}
case 'week': {
return opts.sequelize.fn('STRFTIME', '%Y-%W',
opts.sequelize.col(groupByDateField));
}
case 'month': {
return opts.sequelize.fn('STRFTIME', '%Y-%m-01',
opts.sequelize.col(groupByDateField));
}
case 'year': {
return opts.sequelize.fn('STRFTIME', '%Y-01-01',
opts.sequelize.col(groupByDateField));
}
}
}
function getGroupByDateInterval() {
if (Database.isMySQL(opts)) {
return [getGroupByDateFieldFormatedForMySQL(timeRange), 'date'];
} else if (Database.isMSSQL(opts)) {
return [getGroupByDateFieldFormatedForMSSQL(timeRange), 'date'];
} else if (Database.isSQLite(opts)) {
return [getGroupByDateFieldFormatedForSQLite(timeRange), 'date'];
} else {
var timezone = (-parseInt(params.timezone, 10)).toString();
return [
opts.sequelize.fn('to_char',
opts.sequelize.fn('date_trunc', params['time_range'],
opts.sequelize.literal('"' + getGroupByDateField()
.replace('.', '"."') + '" at time zone \'' + timezone + '\'')),
'YYYY-MM-DD 00:00:00'
),
'date'
];
}
}
function getFormat() {
switch (timeRange) {
case 'day': return 'DD/MM/YYYY';
case 'week': return '[W]w-YYYY';
case 'month': return 'MMM YY';
case 'year': return 'YYYY';
}
}
function fillEmptyDateInterval(records) {
if (records.length) {
var sqlFormat = 'YYYY-MM-DD 00:00:00';
if (Database.isSQLite(opts) && timeRange === 'week') {
sqlFormat = 'YYYY-WW';
}
var firstDate = moment(records[0].label, sqlFormat);
var lastDate = moment(records[records.length - 1].label, sqlFormat);
for (var i = firstDate ; i.toDate() <= lastDate.toDate() ;
i = i.add(1, timeRange)) {
var label = i.format(sqlFormat);
if (!_.find(records, { label: label })) {
records.push({ label: label, values: { value: 0 }});
}
}
records = _.sortBy(records, 'label');
return _.map(records, function (record) {
return {
label: moment(record.label, sqlFormat).format(getFormat()),
values: record.values
};
});
} else {
return records;
}
}
function getAggregate() {
return [
opts.sequelize.fn(params.aggregate.toLowerCase(),
opts.sequelize.col(getAggregateField())),
'value'
];
}
function getIncludes() {
var includes = [];
_.values(model.associations).forEach(function (association) {
if (['HasOne', 'BelongsTo'].indexOf(association.associationType) > -1) {
includes.push({
model: association.target.unscoped(),
as: association.associationAccessor,
attributes: []
});
}
});
return includes;
}
function getGroupBy() {
return Database.isMSSQL(opts) ? [getGroupByDateFieldFormatedForMSSQL(timeRange)] : '1';
}
function getOrder() {
return Database.isMSSQL(opts) ? [getGroupByDateFieldFormatedForMSSQL(timeRange)] : [opts.sequelize.literal('1')];
}
this.perform = function () {
return model.unscoped().findAll({
attributes: [getGroupByDateInterval(), getAggregate()],
include: getIncludes(),
where: this.getFilters(),
group: getGroupBy(),
order: getOrder(),
raw: true
})
.then(function (records) {
return P.map(records, function (record) {
return {
label: record.date,
values: { value: parseInt(record.value) }
};
});
})
.then(function (records) {
return { value: fillEmptyDateInterval(records) };
});
};
}
module.exports = LineStatGetter;