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
|
import React, { Component } from "react";
import {
Loader,
Message,
Segment,
Header,
Comment,
Divider,
Breadcrumb
} from "semantic-ui-react";
import { Link } from "@reach/router";
import Post from "./Post";
class Board extends Component {
constructor() {
super();
this.state = {
isLoaded: false,
threadList: [],
error: null,
loadingMore: false,
endReached: false
};
this.handleScroll = this.handleScroll.bind(this);
this.threadOffset = 10;
}
componentDidMount() {
fetch(
`https://bienvenidoainternet.org/cgi/api/list?dir=${this.props.dir}&replies=5&limit=10`
)
.then(response => {
return response.json();
})
.then(resource => {
if (resource["state"] === "error") {
this.setState({ error: resource });
}
this.setState({ isLoaded: true, threadList: resource["threads"] });
});
window.scrollTo(0, 0);
window.addEventListener("scroll", this.handleScroll);
}
componentWillUnmount() {
window.removeEventListener("scroll", this.handleScroll);
}
handleScroll() {
const { scrollHeight, scrollTop, clientHeight } = document.documentElement;
if (
scrollHeight - scrollTop === clientHeight &&
!this.state.loadingMore &&
!this.state.endReached
) {
this.setState({ loadingMore: true });
this.fetchMoreThreads();
}
}
fetchMoreThreads() {
fetch(
`https://bienvenidoainternet.org/cgi/api/list?dir=${this.props.dir}&replies=5&limit=10&offset=${this.threadOffset}`
)
.then(response => {
return response.json();
})
.then(resource => {
if (resource.state === "success") {
if (resource.threads.length > 0) {
const moreThreads = this.state.threadList.concat(resource.threads);
this.threadOffset += 10;
this.setState({ threadList: moreThreads, loadingMore: false });
} else {
this.setState({ endReached: true, loadingMore: false });
}
}
return;
});
}
componentDidUpdate(prevProps) {
// Uso tipico (no olvides de comparar los props):
if (this.props.dir !== prevProps.dir) {
this.setState({
isLoaded: false,
threadList: [],
error: null
});
this.componentDidMount();
}
}
render() {
const { isLoaded, error, threadList, loadingMore, endReached } = this.state;
if (error != null) {
return (
<div>
<Message negative>
<Message.Header>API Status: {error.state}</Message.Header>
<p>{error.message}</p>
</Message>
</div>
);
}
if (!isLoaded) {
return (
<Loader active centered="true">
Cargando ...
</Loader>
);
}
const currentBoard = this.props.boardList.find(board => {
return board.dir === this.props.dir;
});
document.title = currentBoard.name + " - B.a.I";
const nightMode = this.props.nightMode;
return (
<React.Fragment>
<Breadcrumb className={nightMode ? "inverted" : ""}>
<Breadcrumb.Section link as={Link} to="/">
Home
</Breadcrumb.Section>
<Breadcrumb.Divider icon="right chevron" />
<Breadcrumb.Section link>{currentBoard.name}</Breadcrumb.Section>
</Breadcrumb>
{threadList.map(thread => (
<Segment.Group key={"seg_" + thread.timestamp + thread.id}>
<Header as="h3" attached inverted={nightMode}>
<Link to={`/${this.props.dir}/read/${thread.id}`}>
{thread.subject}
</Link>
<Header.Subheader>
{thread.total_replies} respuestas
</Header.Subheader>
</Header>
<Segment attached inverted={nightMode}>
<Comment.Group className={nightMode ? "inverted" : ""}>
<Post
index={0}
post={thread}
locked={thread.locked}
threadId={thread.id}
currentBoard={currentBoard}
nightMode={nightMode}
/>
<Divider />
{thread.replies.map((reply, index, replies) => (
<Post
index={thread.total_replies - replies.length + index + 1}
post={reply}
locked={thread.locked}
threadId={thread.id}
key={"reply_" + reply.id}
currentBoard={currentBoard}
nightMode={nightMode}
/>
))}
</Comment.Group>
</Segment>
</Segment.Group>
))}
{loadingMore ? (
<Loader active inline="centered" style={{ marginTop: "3em" }}>
Cargando más hilos ...
</Loader>
) : null}
{endReached ? (
<Message
warning
header="ｷﾀ━━━(ﾟ∀ﾟ)━━━!!"
content="No hay más hilos para mostrar."
/>
) : null}
</React.Fragment>
);
}
}
export default Board;
|
