[add][Refs #29] attachment action buttons

Makefile

@@ -20,18 +20,22 @@ OUTPUT=		srv/public/slack.min.js
 
 CLOSURE=	cli/closure-compiler-v20170218.jar
 
-all:
+all:	core
+
+core:
 	java -jar ${CLOSURE} --compilation_level ADVANCED --language_in=ECMASCRIPT5_STRICT --warning_level=VERBOSE --js_output_file ${OUTPUT} ${SRC}
 
-debug:
+core-debug:
 	java -jar ${CLOSURE} --compilation_level WHITESPACE_ONLY --language_in=ECMASCRIPT5_STRICT --js_output_file ${OUTPUT} ${SRC}
 
 $OUTPUT: all
 
-clean:
+clean:	core-clean
+
+core-clean:
 	$(RM) $(OUTPUT)
 
 re:	clean all
 
-.PHONY: all debug clean re
+.PHONY: all clean re core core-debug core-clean
 

cli/data.js

@@ -91,14 +91,15 @@ function isHighlighted(text) {
 
 /**
  * @param {Room} chan
- * @param {Array.<*>} msg
+ * @param {Array.<Message!>} msg
 **/
 function onMsgReceived(chan, msg) {
     if (chan !== SELECTED_ROOM || !window.hasFocus) {
         var selfReg = new RegExp("<@" +SLACK.context.self.id)
             ,highligted = false
             ,areNew = false
-            ,newHighlited = false;
+            ,newHighlited = false
+            ,typingUpdated = false;
         msg.forEach(function(i) {
             if (parseFloat(i["ts"]) <= chan.lastRead) {
                 return;
@@ -111,6 +112,10 @@ function onMsgReceived(chan, msg) {
                 }
                 highligted = true;
             }
+            if (SLACK.context.typing[chan.id] && SLACK.context.typing[chan.id][i.userId]) {
+                SLACK.context.typing[chan.id][i.userId] = 0;
+                typingUpdated = true;
+            }
         });
         if (areNew) {
             updateTitle();
@@ -126,6 +131,8 @@ function onMsgReceived(chan, msg) {
             }
         }
     }
+    if (typingUpdated)
+        onTypingUpdated();
 }
 
 /**

cli/dom.js

@@ -241,11 +241,14 @@ function doCreateMessageDom(channelId, msg, skipAttachment) {
             var reac = createReactionDom(channelId, msg.id, reaction, msg.reactions[reaction]);
             reac && reactions.appendChild(reac);
         }
-        msg.attachments.forEach(function(attachment) {
-            var domAttachment = createAttachmentDom(channelId, msg, attachment);
-            if (domAttachment)
-                attachments.appendChild(domAttachment);
-        });
+        for (var i =0, nbAttachments = msg.attachments.length; i < nbAttachments; i++) {
+            var attachment = msg.attachments[i];
+            if (attachment) {
+                var domAttachment = createAttachmentDom(channelId, msg, attachment, i);
+                if (domAttachment)
+                    attachments.appendChild(domAttachment);
+            }
+        }
     }
     dom.appendChild(msgBlock);
     dom.appendChild(hover);
@@ -287,9 +290,10 @@ function createMessageGroupDom(user, userName) {
  * @param {string} channelId
  * @param {Message} msg
  * @param {*} attachment
+ * @param {number} attachmentIndex
  * @return {Element|null}
 **/
-function createAttachmentDom(channelId, msg, attachment) {
+function createAttachmentDom(channelId, msg, attachment, attachmentIndex) {
     var rootDom = document.createElement("li")
         ,attachmentBlock = document.createElement("div")
 
@@ -364,11 +368,11 @@ function createAttachmentDom(channelId, msg, attachment) {
     //Text
     textBlock.className = R.klass.msg.attachment.content;
     var textContent = formatText(attachment["text"] || "");
-    if (textContent !== '') {
+    textDom.className = R.klass.msg.attachment.text;
+    if (textContent && textContent != "") {
         textDom.innerHTML = textContent;
-        textDom.className = R.klass.msg.attachment.text;
     } else {
-        textDom.className = R.klass.msg.attachment.text +' ' +R.klass.hidden;
+        textDom.classList.add(R.klass.hidden);
     }
 
     // Img (small one)
@@ -378,6 +382,9 @@ function createAttachmentDom(channelId, msg, attachment) {
         img.src = attachment["thumb_url"];
         thumbImgDom.appendChild(img);
         attachmentBlock.classList.add(R.klass.msg.attachment.hasThumb);
+
+        if (attachment["video_html"])
+            thumbImgDom.dataset.video = attachment["video_html"];
     } else {
         thumbImgDom.classList.add(R.klass.hidden);
     }
@@ -413,20 +420,56 @@ function createAttachmentDom(channelId, msg, attachment) {
     }
 
     // TODO Field [ {title, value, short } ]
-    // TODO actions (button stuff)
-
     textBlock.appendChild(textDom);
     textBlock.appendChild(thumbImgDom);
     attachmentBlock.appendChild(titleBlock);
     attachmentBlock.appendChild(authorBlock);
     attachmentBlock.appendChild(textBlock);
     attachmentBlock.appendChild(imgDom);
+
+    if (attachment["actions"]) {
+        var buttons;
+
+        for (var i =0, nbAttachments = attachment["actions"].length; i < nbAttachments; i++) {
+            var action = attachment["actions"][i];
+
+            if (action) {
+                var button = createActionButtonDom(attachmentIndex, i, action);
+
+                if (button) {
+                    if (!buttons) {
+                        buttons = document.createElement("ul");
+                        buttons.className = R.klass.msg.attachment.actions;
+                        attachmentBlock.appendChild(buttons);
+                    }
+                    buttons.appendChild(button);
+                }
+            }
+        }
+    }
+
     attachmentBlock.appendChild(footerBlock);
     rootDom.appendChild(pretext);
     rootDom.appendChild(attachmentBlock);
     return rootDom;
 }
 
+/**
+ * @param {number} attachmentIndex
+ * @param {number} actionIndex
+ * @param {*} action
+ * @return {Element}
+**/
+function createActionButtonDom(attachmentIndex, actionIndex, action) {
+    var li = document.createElement("li");
+
+    li.textContent = action["text"];
+    li.dataset.attachmentIndex = attachmentIndex;
+    li.dataset.actionIndex = actionIndex;
+    li.className = R.klass.msg.attachment.actionItem;
+    return li;
+}
+
 /**
  * @param {Chatter} user
  * @return {Element}

cli/resources.js

@@ -120,6 +120,8 @@ var R = {
                 ,text: "slackmsg-attachment-text"
                 ,thumbImg: "slackmsg-attachment-thumb"
                 ,img: "slackmsg-attachment-img"
+                ,actions: "slackmsg-attachment-actions"
+                ,actionItem: "slackmsg-attachment-actions-item"
                 ,footer: "slackmsg-attachment-footer"
                 ,footerText: "slackmsg-attachment-footer-text"
                 ,footerIcon: "slackmsg-attachment-footer-icon"

cli/ui.js

@@ -286,6 +286,8 @@ function formatEmojis(inputString) {
  * @return {string}
 **/
 function formatText(fullText) {
+    if (!fullText || fullText == "")
+        return "";
     var msgContents = fullText.split(/\r?\n/g);
 
     for (var msgContentIndex=0, nbMsgContents = msgContents.length; msgContentIndex < nbMsgContents; msgContentIndex++) {
@@ -420,7 +422,7 @@ function formatText(fullText) {
         else
             msgContents[msgContentIndex] = _msgContent;
     }
-    return msgContents.join('<br/>');
+    return msgContents.length === 0 ? "" : msgContents.join('<br/>');
 }
 
 /**
@@ -580,6 +582,21 @@ function chatClickDelegate(e) {
     while (target !== e.currentTarget && target) {
         if (target.classList.contains(R.klass.msg.hover.container)) {
             return;
+        } else if (target.parentElement && target.classList.contains(R.klass.msg.attachment.actionItem)) {
+            var messageId = getMessageId(e, target)
+                ,attachmentIndex = target.dataset.attachmentIndex
+                ,actionIndex = target.dataset.actionIndex;
+
+            if (messageId && attachmentIndex !== undefined && actionIndex !== undefined) {
+                messageId = parseFloat(messageId.split("_")[1]);
+                var msg = SLACK.history[SELECTED_ROOM.id].getMessage(messageId);
+
+                if (msg && msg.attachments[attachmentIndex] && msg.attachments[attachmentIndex].actions && msg.attachments[attachmentIndex].actions[actionIndex]) {
+                    var payload = getActionPayload(SELECTED_ROOM.id, msg, msg.attachments[attachmentIndex], msg.attachments[attachmentIndex].actions[actionIndex]);
+
+                    sendCommand(payload, msg.userId);
+                }
+            }
         } else if (target.parentElement && target.parentElement.classList.contains(R.klass.msg.hover.container)) {
             var messageId = getMessageId(e, target);
             if (messageId) {

cli/workflow.js

@@ -147,6 +147,44 @@ function uploadFile(chan, filename, file, callback) {
     xhr.send(formData);
 }
 
+/**
+ * @param {string} payload
+ * @param {string} serviceId
+ * @param {(function((string|null)))=} callback
+**/
+function sendCommand(payload, serviceId, callback) {
+    var formData = new FormData()
+        ,xhr = new XMLHttpRequest();
+
+    formData.append("payload", payload);
+    formData.append("service_id", serviceId);
+    if (callback) {
+        xhr.onreadystatechange = function() {
+            if (xhr.readyState === 4) {
+                if (xhr.status === 204) {
+                    callback(null);
+                } else {
+                    callback(xhr.statusText);
+                }
+            }
+        }
+    }
+    xhr.open('POST', "api/attachmentAction");
+    xhr.send(formData);
+}
+
+function getActionPayload(channelId, msg, attachment, action) {
+    var payload = {
+        "actions": [ action ]
+        ,"attachment_id": attachment["id"]
+        ,"callback_id": attachment["callback_id"]
+        ,"channel_id": channelId
+        ,"is_ephemeral": msg instanceof NoticeMessage
+        ,"message_ts": msg["id"]
+    };
+    return JSON.stringify(payload);
+}
+
 /**
  * @param {Room} chan
  * @param {Command!} cmd

srv/public/slack.min.js

@@ -1,74 +1,74 @@
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-ca.prototype.update=function(a,b){this.b=JSON.parse(a.emoji_use);a.highlight_words?this.a=(a.highlight_words||"").split(",").filter(function(a){return""!==a.trim()}):a.highlights&&(this.a=a.highlights);this.version=Math.max(this.version,b)};function da(){this.j=null;this.f={};this.a={};this.b=null;this.h={version:0,data:{}};this.g={version:0,data:{}};this.c={};this.s=0}"undefined"!==typeof module&&(module.w.O=da,module.w.P=n,module.w.S=ba);function r(a){this.id=a;this.m=!1;this.a=this.b=0;this.g={};this.version=0}
-r.prototype.update=function(a,b,c){void 0!==a.name&&(this.name=a.name);void 0!==a.is_archived&&(this.h=a.is_archived);void 0!==a.is_member&&(this.s=a.is_member);void 0!==a.last_read&&(this.b=Math.max(parseFloat(a.last_read),this.b));void 0!==a.last_msg&&(this.a=parseFloat(a.last_msg));void 0!==a.is_private&&(this.j=a.is_private);a.latest&&(this.a=parseFloat(a.latest.ts));void 0!==a.is_starred&&(this.m=a.is_starred);if(a.members&&(this.g={},a.members))for(var d=0,g=a.members.length;d<g;d++){var e=
-b.a[a.members[d]];this.g[e.id]=e;e.f[this.id]=this}this.version=Math.max(this.version,c)};function v(a,b){r.call(this,a);this.c=b;this.name=this.c.name;this.j=!0;b.h=this}v.prototype=Object.create(r.prototype);v.prototype.constructor=v;"undefined"!==typeof module&&(module.w.X=r,module.w.W=v);function w(a,b){this.o=a.user;this.c=a.username;this.id=a.id||a.ts;this.i=parseFloat(a.ts);this.text="";this.g=[];this.b=this.u=this.m=!1;this.a={};this.version=b;this.update(a,b)}function y(a,b){w.call(this,a,b)}function A(a,b){w.call(this,a,b)}
-w.prototype.update=function(a,b){if(a){this.text=a.text||"";a.attachments&&(this.g=a.attachments);this.m=!!a.is_starred;this.u=!!a.edited;this.b=!!a.removed;var c=this;this.a={};(a.reactions||[]).forEach(function(a){c.a[a.name]=[];a.users.forEach(function(b){c.a[a.name].push(b)})})}else this.b=!0;this.version=b};function ea(a,b,c,d){this.id="string"===typeof a?a:a.id;this.a=[];this.b=b;c&&fa(this,c,d)}function fa(a,b,c){var d=0;b.forEach(function(a){d=Math.max(ga(this,a,c),d)}.bind(a));ha(a)}
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+b.h.version=h);if(void 0!==d.commands){b.g.data={};for(e in d.commands)b.g.data[e]=new aa(d.commands[e]);b.g.version=h}d.team&&(b.j||(b.j=new m(d.team.id)),b.j.update(d.team,h));b.s=Math.max(b.s,h);d.self&&(b.b=b.a[d.self.id]||null,b.b?(b.b.a||(b.b.a=new ba),b.b.a.update(d.self.prefs,h)):b.s=0);if(void 0!==d.typing)for(e in b.c={},d.typing){b.c[e]={};for(var u in d.typing[e])b.c[e][u]=h}}for(var l in this.a.f){var n=this.a.f[l];n.a===n.b&&(b=Q.indexOf(n),-1!==b&&Q.splice(b,1))}if(a.live){for(n in a.live)(l=
+this.b[n])?da(l,a.live[n],c):this.b[n]=new F(n,250,a.live[n],c);for(var t in a.live)(c=this.a.f[t])?(this.b[t].a.length&&(n=this.b[t],c.a=Math.max(c.a,n.a[n.a.length-1].i)),c.h||(Ma(c,a.live[t]),I&&a.live[I.id]&&pa())):H.c=0}a["static"]&&(ha(),a["static"].typing&&ka())};setInterval(function(){var a=H.a,c=Date.now(),b=!1,d;for(d in a.c){var h=!0,e;for(e in a.c[d])a.c[d][e]+3E3<c?(delete a.c[d][e],b=!0):h=!1;h&&(delete a.c[d],b=!0)}b&&ka()},1E3);
+function Ma(a,c){if(a!==I||!window.hasFocus){var b=new RegExp("<@"+H.a.b.id),d=!1,h=!1,e=!1,g=!1;c.forEach(function(c){if(!(parseFloat(c.ts)<=a.b)){h=!0;var f;if(!(f=a instanceof B||c.b.match(b)))a:{f=H.a.b.a.a;for(var p=0,l=f.length;p<l;p++)if(-1!==c.b.indexOf(f[p])){f=!0;break a}f=!1}f&&(-1===Q.indexOf(a)&&(e=!0,Q.push(a)),d=!0);H.a.c[a.id]&&H.a.c[a.id][c.l]&&(H.a.c[a.id][c.l]=0,g=!0)}});if(h){S();var f=document.getElementById("room_"+a.id);f&&(f.classList.add("unread"),d&&f.classList.add("unreadHi"));
+e&&!window.hasFocus&&xa()}}g&&ka()}function qa(){var a=I,c=Q.indexOf(a);if(a.a>a.b){var b=new XMLHttpRequest;b.open("POST","api/markread?room="+a.id+"&ts="+a.a,!0);b.send(null);a.b=a.a}0<=c&&(Q.splice(c,1),S());a=document.getElementById("room_"+a.id);a.classList.remove("unread");a.classList.remove("unreadHi")}H=new La;var ja=function(){function a(a,c){c.sort(function(){return Math.random()-.5});for(var b=0,d=20;d<p-40;d+=u)for(var f=0;f+u<=k;f+=u)e(a,c[b],d,f),b++,b===c.length&&(c.sort(function(a,c){return a.C?c.C?Math.random()-.5:-1:1}),b=0)}function c(a,d){for(var e=0,f=a.length;e<f;e++)if(void 0===a[e].C){b(a[e].src,function(b){a[e].C=b;c(a,d)});return}var g=[];a.forEach(function(a){a.C&&g.push(a.C)});d(g)}function b(a,c){var b=new XMLHttpRequest;b.responseType="blob";b.onreadystatechange=function(){if(4===
+b.readyState)if(b.response){var a=new Image;a.onload=function(){var b=document.createElement("canvas");b.height=b.width=t;b=b.getContext("2d");b.drawImage(a,0,0,t,t);for(var b=b.getImageData(0,0,t,t),d=0,e=0;e<b.width*b.height*4;e+=4)b.data[e]=b.data[e+1]=b.data[e+2]=(b.data[e]+b.data[e+1]+b.data[e+2])/3,b.data[e+3]=50,d+=b.data[e];if(50>d/(b.height*b.width))for(e=0;e<b.width*b.height*4;e+=4)b.data[e]=b.data[e+1]=b.data[e+2]=255-b.data[e];c(b)};a.onerror=function(){c(null)};a.src=window.URL.createObjectURL(b.response)}else c(null)};
+b.open("GET",a,!0);b.send(null)}function d(){var a=f.createLinearGradient(0,0,0,k);a.addColorStop(0,"#4D394B");a.addColorStop(1,"#201820");f.fillStyle=a;f.fillRect(0,0,p,k);return f.getImageData(0,0,p,k)}function h(a,c){for(var b=(a.height-c.height)/2,d=0;d<c.height;d++)for(var e=0;e<c.width;e++){var f=c.data[4*(d*c.width+e)]/255,g=4*((d+b)*a.width+e+b);a.data[g]*=f;a.data[g+1]*=f;a.data[g+2]*=f}return a}function e(a,c,b,d){var e=Math.floor(d);a=[a.data[e*p*4+0],a.data[e*p*4+1],a.data[e*p*4+2]];f.fillStyle=
+"#"+(1.1*a[0]<<16|1.1*a[1]<<8|1.1*a[2]).toString(16);f.beginPath();f.moveTo(b+u/2,d+l);f.lineTo(b-l+u,d+u/2);f.lineTo(b+u/2,d-l+u);f.lineTo(b+l,d+u/2);f.closePath();f.fill();f.putImageData(h(f.getImageData(b+l,d+l,n,n),c),b+l,d+l)}var g=document.createElement("canvas"),f=g.getContext("2d"),p=g.width=250,k=g.height=290,u=(p-40)/3,l=.1*u,n=Math.floor(u-2*l),t=.5*n,w,y=[],x=!1;return function(b){if(w)b(w);else if(x)y.push(b);else{var e=d(),f=[];x=!0;y.push(b);for(var h in H.a.a)H.a.a[h].g||H.a.a[h].s||
+f.push({src:"api/avatar?user="+h});c(f,function(b){a(e,b);w=g.toDataURL();y.forEach(function(a){a(w)})})}}}();var Z=0,I=null,U=null,W=null;function Na(a){var c=new XMLHttpRequest;c.timeout=6E4;c.onreadystatechange=function(){if(4===c.readyState)if(c.status){var b=null,d=2===Math.floor(c.status/100);if(d){Z&&(Z=0,na(!0));b=c.response;try{b=JSON.parse(b)}catch(h){b=null}}else Z?(Z+=Math.floor((Z||5)/2),Z=Math.min(60,Z)):(Z=5,na(!1));a(d,b)}else Z&&(Z=0,na(!0)),Na(a)};c.open("GET","api?v="+H.c,!0);c.send(null)}function Ha(){var a=new XMLHttpRequest;a.open("POST","api/typing?room="+I.id,!0);a.send(null)}
+function Oa(a,c){a?(c&&H.update(c),Ka()):setTimeout(Ka,1E3*Z)}function Ka(){Na(Oa)}function Da(a){I&&document.getElementById("room_"+I.id).classList.remove("selected");document.getElementById("room_"+a.id).classList.add("selected");document.body.classList.remove("no-room-selected");I=a;oa();I.a&&!H.b[I.id]&&(a=new XMLHttpRequest,a.open("GET","api/hist?room="+I.id,!0),a.send(null))}
+function Fa(a,c,b){var d=I;new FileReader;var h=new FormData,e=new XMLHttpRequest;h.append("file",c);h.append("filename",a);e.onreadystatechange=function(){4===e.readyState&&(204===e.status?b(null):b(e.statusText))};e.open("POST","api/file?room="+d.id);e.send(h)}function Aa(a,c){var b=new FormData,d=new XMLHttpRequest;b.append("payload",a);b.append("service_id",c);d.open("POST","api/attachmentAction");d.send(b)}
+function za(a,c,b){return JSON.stringify({actions:[b],attachment_id:c.id,callback_id:c.callback_id,channel_id:I.id,is_ephemeral:a instanceof E,message_ts:a.id})}
+function Ga(a){if(W){var c=new XMLHttpRequest;c.open("PUT","api/msg?room="+I.id+"&ts="+W.id+"&text="+encodeURIComponent(a),!0);c.send(null);return!0}if("/"===a[0]){var b=a.indexOf(" "),c=-1===b?"":a.substr(b);return(a=H.a.g.data[a.substr(0,-1===b?void 0:b)])?(b=new XMLHttpRequest,b.open("POST","api/cmd?room="+I.id+"&cmd="+encodeURIComponent(a.name.substr(1))+"&args="+encodeURIComponent(c.trim()),!0),b.send(null),!0):!1}var c=I,b=U,d=new XMLHttpRequest;a="api/msg?room="+c.id+"&text="+encodeURIComponent(a);
+if(b){var h=H.a.a[b.l],e="Message";"C"===c.id[0]?e="Channel message":"D"===c.id[0]?e="Direct message":"G"===c.id[0]&&(e="Group message");a+="&attachments="+encodeURIComponent(JSON.stringify([{fallback:b.b,author_name:"<@"+h.id+"|"+h.name+">",author_icon:h.b.small,text:b.b,footer:e,ts:b.i}]))}d.open("POST",a,!0);d.send(null);return!0}function Ca(a){var c=new XMLHttpRequest;c.open("DELETE","api/msg?room="+I.id+"&ts="+a.id,!0);c.send(null)}
+function sa(a,c,b){var d=new XMLHttpRequest;d.open("POST","api/reaction?room="+a+"&msg="+c+"&reaction="+encodeURIComponent(b),!0);d.send(null)};

srv/src/httpServ.js

@@ -311,6 +311,11 @@ Server.prototype.onRequest = function(req, res) {
                 res.writeHeader("400", "Bad Request");
                 res.end();
             }
+        } else if (req.urlObj.match(["api", "attachmentAction"])) {
+            sessionManager.saveSession(req.session);
+            res.slack.sendAction(req.headers["content-type"], req, (result) => {
+                res.end(result);
+            });
         } else if (req.urlObj.match(["api"])) {
             res.slack.onRequest(
                 (req.urlObj.queryTokens.v ? req.urlObj.queryTokens.v[0] : 0) || 0

srv/src/slack.js

@@ -29,6 +29,7 @@ const SLACK_ENDPOINT = "https://slack.com/api/"
         ,slashExec: "chat.command"
         ,addReaction: "reactions.add"
         ,removeReaction: "reactions.remove"
+        ,sendAction: "chat.attachmentAction"
         ,read: {
             group: "groups.mark"
             ,im: "im.mark"
@@ -364,6 +365,68 @@ Slack.prototype.openUploadFileStream = function(channel, contentType, callback)
     return req;
 };
 
+/**
+ * @param {SlackChan|SlackGroup|SlackIms} channel
+ * @param {string} contentType
+ * @param {function(string|null)} callback
+**/
+Slack.prototype.sendAction = function(contentType, payloadStream, callback) {
+    var req = https.request({
+        hostname: SLACK_HOSTNAME
+        ,method: 'POST'
+        ,path: SLACK_ENDPOINT_PATH +GETAPI.sendAction
+            +"?token=" +this.token
+        ,headers: {
+            "Content-Type": contentType
+        }
+    }, (res) => {
+        var resp;
+        res.on("data", (chunk) => {
+            resp = resp ? Buffer.concat([resp, chunk], resp.length +chunk.length) : Buffer.from(chunk);
+        });
+        res.once("end", () => {
+            callback(resp);
+        });
+    });
+    payloadStream.pipe(req, { end: true });
+};
+
+/**
+ * @param {SlackChan|SlackGroup|SlackIms} channel
+ * @param {string} contentType
+ * @param {function(string|null)} callback
+**/
+Slack.prototype.openUploadFileStream = function(channel, contentType, callback) {
+    var req = https.request({
+        hostname: SLACK_HOSTNAME
+        ,method: 'POST'
+        ,path: SLACK_ENDPOINT_PATH +GETAPI.postFile
+            +"?token=" +this.token
+            +"&channels=" +channel.id
+        ,headers: {
+            "Content-Type": contentType
+        }
+    }, (res) => {
+        var errorJson;
+        res.on("data", (chunk) => {
+            errorJson = errorJson ? Buffer.concat([errorJson, chunk], errorJson.length +chunk.length) : Buffer.from(chunk);
+        });
+        res.once("end", () => {
+            if (res.statusCode === 200) {
+                callback(null);
+            } else {
+                try {
+                    errorJson = JSON.parse(errorJson.toString());
+                } catch(e) {
+                    callback("error");
+                    return;
+                }
+                callback(errorJson["error"] || "error");
+            }
+        });
+    });
+    return req;
+};
 /**
  * @param {SlackChan|SlackGroup|SlackIms} channel
  * @param {string} msgId

srv/src/slackHistory.js

@@ -18,12 +18,12 @@ SlackHistory.prototype = Object.create(RoomHistory.prototype);
 SlackHistory.prototype.constructor = SlackHistory;
 
 SlackHistory.prototype.messageFactory = function(ev, ts) {
+    if (!ev["user"])
+        ev["user"] = ev["bot_id"];
     if (ev["is_ephemeral"] === true)
         return new NoticeMessage(ev, ts);
     if (ev["subtype"] === "me_message")
         return new MeMessage(ev, ts);
-    if (!ev["user"])
-        ev["user"] = ev["bot_id"];
     return new Message(ev, ts);
 }
 
@@ -37,11 +37,18 @@ SlackHistory.prototype.push = function(ev, t) {
             ,targetId = ev["ts"]
             ,modifArg = ev;
 
-        if (ev["subtype"] === "message_changed" && ev["previous_message"]) {
-            targetId = ev["previous_message"]["ts"];
+        if (ev["subtype"] === "message_changed") {
+            if (ev["previous_message"]) {
+                targetId = ev["previous_message"]["ts"];
+            } else if (ev["message"]) {
+                targetId = ev["message"]["ts"];
+            }
             modifArg = ev["message"]
-        } else if (ev["subtype"] === "message_deleted" && ev["previous_message"]) {
-            targetId = ev["previous_message"]["ts"];
+        } else if (ev["subtype"] === "message_deleted" && (ev["previous_message"] || ev["deleted_ts"])) {
+            if (ev["previous_message"])
+                targetId = ev["previous_message"]["ts"];
+            else
+                targetId = ev["deleted_ts"];
             modifArg = null;
         }
         for (var i =0, nbMsg = this.messages.length; i < nbMsg; i++) {