This repository has been archived by the owner on Sep 13, 2019. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 1
/
index.go
112 lines (100 loc) · 2.17 KB
/
index.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
// Licensed under GPL, 2016
// Refer to LICENSE for more details
// Refer to README for structural information
package main
import (
"database/sql"
"fmt"
"net/http"
"strconv"
)
func index(order string, start bool) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
var (
before, next string
tasks = make([]Task, 0, entries)
page = 1
values = r.URL.Query()
query *sql.Stmt
)
page, err := strconv.Atoi(values.Get("p"))
if err != nil || page < 1 {
page = 1
}
switch order {
case diff:
query = getad
case pop:
query = getap
case new:
fallthrough
default:
query = getan
}
rows, err := query.Query((page - 1) * entries)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
t.ExecuteTemplate(w, "error.gtml", err.Error())
return
}
defer rows.Close()
tx, err := db.Begin()
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
t.ExecuteTemplate(w, "error.gtml", err.Error())
return
}
for rows.Next() {
var T Task
if err = rows.Scan(
&T.Id,
&T.Title,
&T.Called,
&T.Created,
); err != nil {
w.WriteHeader(http.StatusInternalServerError)
t.ExecuteTemplate(w, "error.gtml", err.Error())
return
}
if err = T.loadWords(tx); err != nil {
w.WriteHeader(http.StatusInternalServerError)
t.ExecuteTemplate(w, "error.gtml", err.Error())
return
}
tasks = append(tasks, T)
}
tx.Commit()
// define "before" URL, if possible
if page > 1 {
values.Set("p", strconv.Itoa(page-1))
u := r.URL
u.RawQuery = values.Encode()
before = u.String()
}
// define "next" URL, if necessary
if len(tasks) >= entries {
values.Set("p", strconv.Itoa(page+1))
u := r.URL
u.RawQuery = values.Encode()
next = u.String()
}
err = t.ExecuteTemplate(w, "index.gtml", struct {
T []Task // list of tasks
P int // current page and item number
S bool // show start dialog
B string // brevious page
N string // next page
O string // ordering
}{
tasks,
page,
start,
before,
next,
order,
})
if err != nil {
fmt.Println(err)
}
}
}