MicroToDo/Storage.qml at main · Mars160/MicroToDo · GitHub

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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
import QtQuick
import QtQuick.LocalStorage

Item {
    property var db: LocalStorage.openDatabaseSync(
                         "MicroToDoDB", "0.1",
                         "A Thirdpart Microsoft ToDo Client",
                         1024 * 1024 * 1024 * 1024)
    property var cache

    Component.onCompleted: {
        exec(`Create Table If not exists option(
            key TEXT PRIMARY KEY,
            value TEXT)`)
        exec(`Create Table If not exists TaskList(
            Id VarChar(255) PRIMARY KEY,
            name TEXT)`)
        exec(`Create Table If not exists HideList(
            Id VarChar(255) PRIMARY KEY)`)
        exec(`Create Table If not exists Task(
            Id VarChar(255) PRIMARY KEY,
            name TEXT,
            listId VarChar(255))`)
        cache = {}
    }

    function exec(sql) {
        db.transaction(function (tx) {
            tx.executeSql(sql)
        })
    }

    function get(key, type) {
        let value = null
        try {
            db.readTransaction(function (tx) {
                let rs = tx.executeSql(
                            "SELECT value FROM option WHERE key = ?", [key])
                if (rs.rows.length > 0) {
                    value = rs.rows.item(0).value
                }
            })
        } catch (e) {
            return null
        }

        switch (type) {
        case 'n':
        case "N":
        case "Num":
        case "num":
        case "Number":
        case "number":
            if (value !== null) {
                value = parseFloat(value)
            }
            break
        case "B":
        case "b":
        case "bool":
        case "Bool":
        case "Boolean":
        case "boolean":
            if (value !== null) {
                value = value === "true" ? true : false
            }
            break
        case "S":
        case "s":
        case "String":
        case "string":
            break
        case "O":
        case "o":
        case "Object":
        case "Obj":
        case "obj":
        case "object":
            if (value !== null) {
                value = JSON.parse(value)
            }
            break
        default:
            break
        }

        return value
    }

    function set(key, value) {
        db.transaction(function (tx) {
            tx.executeSql(
                        "INSERT OR REPLACE INTO option(key, value) VALUES(?, ?)",
                        [key, value])
        })
    }

    function remove(key) {
        db.transaction(function (tx) {
            tx.executeSql("DELETE FROM option WHERE key = ?", [key])
        })
    }

    function clear() {
        db.transaction(function (tx) {
            tx.executeSql("DELETE FROM option")
        })
    }

    function setCache(key, value, expire = 0) {
        cache[key] = {
            "value": value,
            "expire": expire === 0 ? 0 : new Date().getTime() + expire
        }
    }

    function getCache(key) {
        if (cache[key] === undefined) {
            return null
        }

        if (cache[key].expire !== 0 && cache[key].expire < new Date().getTime()) {
            delete cache[key]
            return null
        }

        return cache[key].value
    }

    function taskList() {
        return {
            "get": (Id = null) => {
                if (Id === null) {
                    let value = []
                    try {
                        db.readTransaction(function (tx) {
                            let rs = tx.executeSql(
                                        "SELECT * FROM TaskList")
                            for (let i = 0; i < rs.rows.length; i++) {
                                value.push(rs.rows.item(i))
                            }
                        })
                    } catch (e) {
                        return []
                    }
                    return value
                } else {
                    let value = null
                    try {
                        db.readTransaction(function (tx) {
                            let rs = tx.executeSql(
                                        "SELECT * FROM TaskList WHERE Id = ?",
                                        [Id])
                            if (rs.rows.length > 0) {
                                value = rs.rows.item(0)
                            }
                        })
                    } catch (e) {
                        return null
                    }
                    return value
                }
            },
            "add": (Id, name) => {
                db.transaction(function (tx) {
                    tx.executeSql(
                                "INSERT OR REPLACE INTO TaskList(Id, name) VALUES(?, ?)",
                                [Id, name])
                })
            },
            "set": (lists) => {
                db.transaction(function (tx) {
                    tx.executeSql("DELETE FROM TaskList")
                    for (let i = 0; i < lists.length; i++) {
                        tx.executeSql(
                                    "INSERT OR REPLACE INTO TaskList(Id, name) VALUES(?, ?)",
                                    [lists[i].Id, lists[i].name])
                    }
                })
            },
            "remove": Id => {
                db.transaction(function (tx) {
                    tx.executeSql("DELETE FROM TaskList WHERE Id = ?", [Id])
                })
            },
            "clear": () => {
                db.transaction(function (tx) {
                    tx.executeSql("DELETE FROM TaskList")
                })
            }
        }
    }

    function task() {
        return {
            "get": (Id = null, isListId = true) => {
                if (Id === null) {
                    let value = []
                    try {
                        db.readTransaction(function (tx) {
                            let rs = tx.executeSql(
                                        "SELECT * FROM Task")
                            for (let i = 0; i < rs.rows.length; i++) {
                                value.push(rs.rows.item(i))
                            }
                        })
                    } catch (e) {
                        return []
                    }
                    return value
                } else if(isListId) {
                    let value = []
                    try {
                        db.readTransaction(function (tx) {
                            let rs = tx.executeSql(
                                        "SELECT * FROM Task WHERE listId = ?",
                                        [Id])
                            for (let i = 0; i < rs.rows.length; i++) {
                                value.push(rs.rows.item(i))
                            }
                        })
                    } catch (e) {
                        return null
                    }
                    return value
                } else {
                    let value = null
                    try {
                        db.readTransaction(function (tx) {
                            let rs = tx.executeSql(
                                        "SELECT * FROM Task WHERE Id = ?",
                                        [Id])
                            if (rs.rows.length > 0) {
                                value = rs.rows.item(0)
                            }
                        })
                    } catch (e) {
                        return null
                    }
                    return value
                }
            },
            "add": (Id, name, listId) => {
                db.transaction(function (tx) {
                    tx.executeSql(
                                "INSERT OR REPLACE INTO Task(Id, name, listId) VALUES(?, ?, ?)",
                                [Id, name, listId])
                })
            },
            "set": (tasks, listId) => {
                db.transaction(function (tx) {
                    tx.executeSql("DELETE FROM Task WHERE listID = ?", [listId])
                    for (let i = 0; i < tasks.length; i++) {
                        tx.executeSql(
                                    "INSERT OR REPLACE INTO Task(Id, name, listId) VALUES(?, ?, ?)",
                                    [tasks[i].Id, tasks[i].name, listId])
                    }
                })
            },
            "remove": Id => {
                db.transaction(function (tx) {
                    tx.executeSql("DELETE FROM Task WHERE Id = ?", [Id])
                })
            },
            "clear": () => {
                db.transaction(function (tx) {
                    tx.executeSql("DELETE FROM Task")
                })
            }
        }
    }

    function hideList() {
        return {
            "get": () => {
                let value = []
                try {
                    db.readTransaction(function (tx) {
                        let rs = tx.executeSql(
                                    "SELECT * FROM HideList")
                        for (let i = 0; i < rs.rows.length; i++) {
                            value.push(rs.rows.item(i).Id)
                        }
                    })
                } catch (e) {
                    return []
                }
                return value
            },
            "add": Id => {
                db.transaction(function (tx) {
                    tx.executeSql(
                                "INSERT OR REPLACE INTO HideList(Id) VALUES(?)",
                                [Id])
                })
            },
            "set": (lists) => {
                db.transaction(function (tx) {
                    tx.executeSql("DELETE FROM HideList")
                    for (let i = 0; i < lists.length; i++) {
                        tx.executeSql(
                                    "INSERT OR REPLACE INTO HideList(Id) VALUES(?)",
                                    [lists[i].Id])
                    }
                })
            },
            "remove": Id => {
                db.transaction(function (tx) {
                    tx.executeSql("DELETE FROM HideList WHERE Id = ?", [Id])
                })
            },
            "clear": () => {
                db.transaction(function (tx) {
                    tx.executeSql("DELETE FROM HideList")
                })
            }
        }
    }
}