Files: 06d5f9edff08206becab379b2f89c78d0d066da5 / message / html / compose.js
7455 bytesRaw
1 | const { h, when, send, resolve, Value, computed } = require('mutant') |
2 | const nest = require('depnest') |
3 | const ssbMentions = require('ssb-mentions') |
4 | const extend = require('xtend') |
5 | const addSuggest = require('suggest-box') |
6 | |
7 | exports.gives = nest('message.html.compose') |
8 | |
9 | exports.needs = nest({ |
10 | 'about.async.suggest': 'first', |
11 | 'channel.async.suggest': 'first', |
12 | 'emoji.async.suggest': 'first', |
13 | 'blob.html.input': 'first', |
14 | 'message.html.confirm': 'first', |
15 | 'drafts.sync.get': 'first', |
16 | 'drafts.sync.set': 'first', |
17 | 'drafts.sync.remove': 'first', |
18 | 'settings.obs.get': 'first' |
19 | }) |
20 | |
21 | exports.create = function (api) { |
22 | return nest({ 'message.html.compose': compose }) |
23 | |
24 | function compose (options, cb) { |
25 | const { |
26 | meta, |
27 | location, |
28 | feedIdsInThread = [], |
29 | prepublish, |
30 | placeholder = 'Write a message', |
31 | shrink = true |
32 | } = options |
33 | |
34 | if (typeof resolve(meta) !== 'object') throw new Error('Compose needs meta data about what sort of message composer you are making') |
35 | if (!location) throw new Error('Compose expects a unique location so it can save drafts of messages') |
36 | |
37 | var files = [] |
38 | var filesById = {} |
39 | var channelInputFocused = Value(false) |
40 | var textAreaFocused = Value(false) |
41 | var focused = computed([channelInputFocused, textAreaFocused], (a, b) => a || b) |
42 | var hasContent = Value(false) |
43 | |
44 | var getProfileSuggestions = api.about.async.suggest() |
45 | var getChannelSuggestions = api.channel.async.suggest() |
46 | var getEmojiSuggestions = api.emoji.async.suggest() |
47 | |
48 | var blurTimeout = null |
49 | |
50 | var expanded = computed([shrink, focused, hasContent], (shrink, focused, hasContent) => { |
51 | if (!shrink || hasContent) return true |
52 | |
53 | return focused |
54 | }) |
55 | |
56 | var channelInput = h('input.channel', { |
57 | 'ev-input': () => hasContent.set(!!channelInput.value), |
58 | 'ev-keyup': ev => { |
59 | ev.target.value = ev.target.value.replace(/^#*([\w@%&])/, '#$1') |
60 | }, |
61 | 'ev-blur': () => { |
62 | clearTimeout(blurTimeout) |
63 | blurTimeout = setTimeout(() => channelInputFocused.set(false), 200) |
64 | }, |
65 | 'ev-focus': send(channelInputFocused.set, true), |
66 | placeholder: '#channel (optional)', |
67 | value: computed(meta.channel, ch => ch ? '#' + ch : null), |
68 | disabled: when(meta.channel, true), |
69 | title: when(meta.channel, 'Reply is in same channel as original message') |
70 | }) |
71 | |
72 | var draftPerstTimeout = null |
73 | var draftLocation = location |
74 | var textArea = h('textarea', { |
75 | 'ev-input': () => { |
76 | hasContent.set(!!textArea.value) |
77 | clearTimeout(draftPerstTimeout) |
78 | draftPerstTimeout = setTimeout(() => { |
79 | api.drafts.sync.set(draftLocation, textArea.value) |
80 | }, 200) |
81 | }, |
82 | 'ev-blur': () => { |
83 | clearTimeout(blurTimeout) |
84 | blurTimeout = setTimeout(() => textAreaFocused.set(false), 200) |
85 | }, |
86 | 'ev-focus': send(textAreaFocused.set, true), |
87 | placeholder |
88 | }) |
89 | textArea.publish = publish // TODO: fix - clunky api for the keyboard shortcut to target |
90 | |
91 | // load draft |
92 | let draft = api.drafts.sync.get(draftLocation) |
93 | if (typeof draft === 'string') { |
94 | textArea.value = draft |
95 | hasContent.set(true) |
96 | } |
97 | |
98 | var isPrivate = location.page == 'private' || |
99 | (location.key && !location.value) || |
100 | (location.value && location.value.private) |
101 | |
102 | var warningMessage = Value(null) |
103 | var warning = h('section.warning', |
104 | { className: when(warningMessage, '-open', '-closed') }, |
105 | [ |
106 | h('div.warning', warningMessage), |
107 | h('div.close', { 'ev-click': () => warningMessage.set(null) }, 'x') |
108 | ] |
109 | ) |
110 | var fileInput = api.blob.html.input(file => { |
111 | const megabytes = file.size / 1024 / 1024 |
112 | if (megabytes >= 5) { |
113 | const rounded = Math.floor(megabytes * 100) / 100 |
114 | warningMessage.set([ |
115 | h('i.fa.fa-exclamation-triangle'), |
116 | h('strong', file.name), |
117 | ` is ${rounded}MB - the current limit is 5MB` |
118 | ]) |
119 | return |
120 | } |
121 | |
122 | files.push(file) |
123 | filesById[file.link] = file |
124 | |
125 | const pos = textArea.selectionStart |
126 | const embed = file.type.match(/^image/) ? '!' : '' |
127 | const spacer = embed ? '\n' : ' ' |
128 | const insertLink = spacer + embed + '[' + file.name + ']' + '(' + file.link + ')' + spacer |
129 | |
130 | textArea.value = textArea.value.slice(0, pos) + insertLink + textArea.value.slice(pos) |
131 | |
132 | console.log('added:', file) |
133 | }, { private: isPrivate, removeExif: api.settings.obs.get('patchbay.removeExif', true) }) |
134 | |
135 | fileInput.onclick = () => hasContent.set(true) |
136 | |
137 | var publishBtn = h('button', { 'ev-click': publish }, 'Publish') |
138 | |
139 | var actions = h('section.actions', [ |
140 | fileInput, |
141 | publishBtn |
142 | ]) |
143 | |
144 | var composer = h('Compose', { |
145 | classList: when(expanded, '-expanded', '-contracted') |
146 | }, [ |
147 | channelInput, |
148 | textArea, |
149 | warning, |
150 | actions |
151 | ]) |
152 | |
153 | composer.addQuote = function (data) { |
154 | try { |
155 | if (typeof data.content.text === 'string') { |
156 | var text = data.content.text |
157 | textArea.value += '> ' + text.replace(/\r\n|\r|\n/g,'\n> ') + '\r\n\n' |
158 | hasContent.set(!!textArea.value) |
159 | } |
160 | } catch(err) { |
161 | // object not have text or content |
162 | } |
163 | } |
164 | |
165 | if (location.action == 'quote') |
166 | composer.addQuote(location.value) |
167 | |
168 | addSuggest(channelInput, (inputText, cb) => { |
169 | if (inputText[0] === '#') { |
170 | cb(null, getChannelSuggestions(inputText.slice(1))) |
171 | } |
172 | }, {cls: 'PatchSuggest'}) |
173 | channelInput.addEventListener('suggestselect', ev => { |
174 | channelInput.value = ev.detail.id // HACK : this over-rides the markdown value |
175 | }) |
176 | |
177 | addSuggest(textArea, (inputText, cb) => { |
178 | const char = inputText[0] |
179 | const wordFragment = inputText.slice(1) |
180 | |
181 | if (char === '@') cb(null, getProfileSuggestions(wordFragment, feedIdsInThread)) |
182 | if (char === '#') cb(null, getChannelSuggestions(wordFragment)) |
183 | if (char === ':') cb(null, getEmojiSuggestions(wordFragment)) |
184 | }, {cls: 'PatchSuggest'}) |
185 | |
186 | return composer |
187 | |
188 | // scoped |
189 | |
190 | function publish () { |
191 | publishBtn.disabled = true |
192 | |
193 | const channel = channelInput.value.startsWith('#') |
194 | ? channelInput.value.substr(1).trim() |
195 | : channelInput.value.trim() |
196 | const mentions = ssbMentions(textArea.value).map(mention => { |
197 | // merge markdown-detected mention with file info |
198 | var file = filesById[mention.link] |
199 | if (file) { |
200 | if (file.type) mention.type = file.type |
201 | if (file.size) mention.size = file.size |
202 | } |
203 | return mention |
204 | }) |
205 | |
206 | var content = extend(resolve(meta), { |
207 | text: textArea.value, |
208 | channel, |
209 | mentions |
210 | }) |
211 | |
212 | if (!channel) delete content.channel |
213 | if (!mentions.length) delete content.mentions |
214 | if (content.recps && content.recps.length === 0) delete content.recps |
215 | |
216 | try { |
217 | if (typeof prepublish === 'function') { |
218 | content = prepublish(content) |
219 | } |
220 | } catch (err) { |
221 | publishBtn.disabled = false |
222 | if (cb) cb(err) |
223 | else throw err |
224 | } |
225 | |
226 | return api.message.html.confirm(content, done) |
227 | |
228 | function done (err, msg) { |
229 | publishBtn.disabled = false |
230 | if (err) throw err |
231 | else if (msg) { |
232 | textArea.value = '' |
233 | api.drafts.sync.remove(draftLocation) |
234 | } |
235 | if (cb) cb(err, msg) |
236 | } |
237 | } |
238 | } |
239 | } |
240 |
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