forked from vckai/novel
-
Notifications
You must be signed in to change notification settings - Fork 0
/
chapter.go
277 lines (208 loc) · 7.47 KB
/
chapter.go
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
// Copyright 2017 Vckai Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package models
import (
"fmt"
"strings"
"time"
"github.com/astaxie/beego"
"github.com/astaxie/beego/orm"
)
const (
TABLE_CHAPTER_SLICE_NUM uint32 = 100
)
// 小说章节内容
type Chapter struct {
Id uint64 `orm:"auto"`
NovId uint32 `orm:"size(11)"`
ChapterNo uint32 `orm:"size(11)"`
Title string `orm:"size(100)"`
Desc string `orm:"type(text)"`
Link string `orm:"size(100)"`
Source string `orm:"size(10)"`
Views uint32 `orm:"size(11);default(0);"`
TextNum uint32 `orm:"size(11);default(0);"`
Status uint8 `orm:"size(1);default(0);"`
TryViews uint8 `orm:"size(2);default(0);"`
CreatedAt uint32 `orm:"size(11);default(0);"`
UpdatedAt uint32 `orm:"size(11);default(0);"`
DeletedAt uint32 `orm:"size(11);default(0)"`
}
func NewChapter() *Chapter {
return &Chapter{}
}
// 初始化
// 注册模型
func init() {
orm.RegisterModelWithPrefix(TABLE_PREFIX, new(Chapter))
}
func (m *Chapter) newOrm() orm.Ormer {
// 读取章节数据库配置
drivername := beego.AppConfig.String("mysql_chapter::drivername")
o := orm.NewOrm()
o.Using(drivername)
return o
}
func (m *Chapter) query() orm.QuerySeter {
return m.newOrm().QueryTable(m)
}
// 获取分表表名
func (m *Chapter) getTable() string {
if m.NovId < 1 {
return ""
}
return fmt.Sprintf("%schapter_%04d", TABLE_PREFIX, m.NovId%TABLE_CHAPTER_SLICE_NUM)
}
// 添加
func (m *Chapter) Insert() error {
// 判断章节是否已存在
m.GetByTitle()
if m.Id > 0 {
return nil
}
// 插入章节
m.CreatedAt = uint32(time.Now().Unix())
m.UpdatedAt = uint32(time.Now().Unix())
sqlStr := fmt.Sprintf("INSERT INTO %s SET nov_id=?, chapter_no=?, title=?, `desc`=?, link=?, source=?, views=?, text_num=?, status=?, created_at=?, updated_at=?", m.getTable())
_, err := m.newOrm().Raw(sqlStr, m.NovId, m.ChapterNo, m.Title, m.Desc, m.Link, m.Source, m.Views, m.TextNum, m.Status, m.CreatedAt, m.UpdatedAt).Exec()
return err
}
// 批量添加
func (m *Chapter) InsertMulti(chapters []*Chapter) error {
// 开启事物
o := m.newOrm()
err := o.Begin()
if err != nil {
return err
}
for _, v := range chapters {
v.CreatedAt = uint32(time.Now().Unix())
v.UpdatedAt = uint32(time.Now().Unix())
sqlStr := fmt.Sprintf("INSERT INTO %s SET nov_id=?, chapter_no=?, title=?, `desc`=?, link=?, source=?, views=?, text_num=?, status=?, created_at=?, updated_at=?", v.getTable())
_, err := o.Raw(sqlStr, v.NovId, v.ChapterNo, v.Title, v.Desc, v.Link, v.Source, v.Views, v.TextNum, v.Status, v.CreatedAt, v.UpdatedAt).Exec()
if err != nil {
o.Rollback()
return err
}
}
// 提交事物
return o.Commit()
}
// 读取
func (m *Chapter) Read() error {
err := m.newOrm().Raw(fmt.Sprintf("SELECT * FROM %s WHERE id=?", m.getTable()), m.Id).QueryRow(m)
return err
}
// 根据小说ID和标题读取
func (m *Chapter) GetByTitle() error {
err := m.newOrm().Raw(fmt.Sprintf("SELECT * FROM %s WHERE nov_id=? AND title=?", m.getTable()), m.NovId, m.Title).QueryRow(m)
return err
}
// 修改章节信息
func (m *Chapter) Update(fields ...string) error {
m.UpdatedAt = uint32(time.Now().Unix())
sqlStr := fmt.Sprintf("UPDATE %s SET chapter_no=?, title=?, `desc`=?, updated_at=? WHERE id = ?", m.getTable())
_, err := m.newOrm().Raw(sqlStr, m.ChapterNo, m.Title, m.Desc, m.UpdatedAt, m.Id).Exec()
return err
}
// 修改章节浏览次数累加
func (m *Chapter) UpdateViews(fields ...string) error {
m.UpdatedAt = uint32(time.Now().Unix())
sqlStr := fmt.Sprintf("UPDATE %s SET `views`=`views`+1, updated_at=? WHERE id = ?", m.getTable())
_, err := m.newOrm().Raw(sqlStr, m.UpdatedAt, m.Id).Exec()
return err
}
// 修改空章节信息
func (m *Chapter) UpdateEmpty(fields ...string) error {
m.UpdatedAt = uint32(time.Now().Unix())
sqlStr := fmt.Sprintf("UPDATE %s SET `desc`=?, `status`=?, `try_views`=?, `text_num`=?, updated_at=? WHERE id = ?", m.getTable())
_, err := m.newOrm().Raw(sqlStr, m.Desc, m.Status, m.TryViews, m.TextNum, m.UpdatedAt, m.Id).Exec()
return err
}
// 批量删除
func (m *Chapter) DeleteBatch(ids []string) error {
marks := make([]string, len(ids))
for i := range marks {
marks[i] = "?"
}
sqlStr := fmt.Sprintf("DELETE FROM %s WHERE `id` %s", m.getTable(), fmt.Sprintf("IN (%s)", strings.Join(marks, ", ")))
_, err := m.newOrm().Raw(sqlStr, ids).Exec()
return err
}
// 删除
func (m *Chapter) Delete() error {
_, err := m.newOrm().Raw(fmt.Sprintf("DELETE FROM %s WHERE id=?", m.getTable()), m.Id).Exec()
return err
}
// 删除指定小说所有章节
func (m *Chapter) DelByNovId() error {
_, err := m.newOrm().Raw(fmt.Sprintf("DELETE FROM %s WHERE nov_id=?", m.getTable()), m.NovId).Exec()
return err
}
// 获取小说空章节列表
func (m *Chapter) GetEmptyChaps() []*Chapter {
list := make([]*Chapter, 0)
m.newOrm().Raw(fmt.Sprintf("SELECT id, nov_id, chapter_no, title, source, link, try_views FROM %s WHERE nov_id=? AND status = 1", m.getTable()), m.NovId).QueryRows(&list)
return list
}
// 获取多个章节字数统计
func (m *Chapter) GetChapsTextNum(ids []string) int64 {
marks := make([]string, len(ids))
for i := range marks {
marks[i] = "?"
}
var total int64
m.newOrm().Raw(fmt.Sprintf("SELECT sum(text_num) FROM %s WHERE id IN (%s)", m.getTable(), strings.Join(marks, ", "))).QueryRow(&total)
return total
}
// 获取小说章节列表
func (m *Chapter) GetNovChaps(size, offset int, sort string) []*Chapter {
list := make([]*Chapter, 0)
m.newOrm().Raw(fmt.Sprintf("SELECT id, nov_id, title, views, status, try_views, chapter_no, created_at FROM %s WHERE nov_id=? ORDER BY chapter_no %s LIMIT ? OFFSET ?", m.getTable(), sort), m.NovId, size, offset).QueryRows(&list)
return list
}
// 获取小说章节统计
func (m *Chapter) Count() int64 {
var total int64
m.newOrm().Raw(fmt.Sprintf("SELECT count(1) FROM %s WHERE nov_id=?", m.getTable()), m.NovId).QueryRow(&total)
return total
}
// 获取小说第一章节
func (m *Chapter) GetFirst() error {
err := m.newOrm().Raw(fmt.Sprintf("SELECT id, title, link, chapter_no FROM %s WHERE nov_id=? ORDER BY chapter_no ASC", m.getTable()), m.NovId).QueryRow(m)
return err
}
// 获取小说最新章节
func (m *Chapter) GetLast() error {
err := m.newOrm().Raw(fmt.Sprintf("SELECT id, title, link, chapter_no FROM %s WHERE nov_id=? ORDER BY chapter_no DESC", m.getTable()), m.NovId).QueryRow(m)
return err
}
// 获取小说上下章节
func (m *Chapter) GetByChapNo(asc string) error {
lt := "<"
sort := "DESC"
if asc == "next" {
sort = "ASC"
lt = ">"
}
err := m.newOrm().Raw(fmt.Sprintf("SELECT id, title, link, chapter_no FROM %s WHERE nov_id=? AND chapter_no %s ? ORDER BY chapter_no %s", m.getTable(), lt, sort), m.NovId, m.ChapterNo).QueryRow(m)
return err
}
// 获取是否推荐
func (m Chapter) StatusName() string {
if m.Status == 1 {
return `<span class="layui-btn layui-btn-primary layui-btn-xs">采集失败</span>`
}
return `<span class="layui-btn layui-btn-xs">采集成功</span>`
}