Initial go at chatdown tool

Chatdown/.chatrc

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+{
+  "in": "sample.chat",
+  "out": "sample.transcript"
+}

Chatdown/lib/activity.js

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+const ActivityType = require('./activityType');
+
+class Activity {
+    /**
+     *
+     * @property {Attachment[]} attachments
+     */
+
+    /**
+     * @property text
+     */
+
+    /**
+     * @property timestamp
+     */
+
+    /**
+     * @property id
+     */
+
+    /**
+     * @property type
+     */
+
+    constructor({ attachments = [], text = '', timestamp = '', id = -1, type = ActivityType.Message } = {}) {
+        Object.assign(this, { attachments, text, timestamp, id, type });
+    }
+}
+
+module.exports = Activity;

Chatdown/lib/activityField.js

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+module.exports = {
+    Attachments: 'attachments'
+};

Chatdown/lib/activityType.js

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+module.exports = {
+    Message: 'message',
+    ContactRelationUpdate: 'contactRelationUpdate',
+    ConversationUpdate: 'conversationUpdate',
+    Typing: 'typing',
+    Ping: 'ping',
+    EndOfConversation: 'endOfConversation',
+    Event: 'event',
+    Invoke: 'invoke',
+    DeleteUserData: 'deleteUserData',
+    MessageUpdate: 'messageUpdate',
+    MessageDelete: 'messageDelete',
+    InstallationUpdate: 'installationUpdate',
+    MessageReaction: 'messageReaction',
+    Suggestion: 'suggestion',
+};

Chatdown/lib/attachment.js

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+class Attachment {
+    constructor({ contentType = '', contentUrl = '', content = null }) {
+        Object.assign(this, { contentType, contentUrl, content });
+    }
+}
+
+module.exports = Attachment;

Chatdown/lib/chatdown.js

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+const Activity = require('./activity');
+const ActivityType = require('./activityType');
+const ActivityField = require('./activityField');
+const Attachment = require('./attachment');
+
+module.exports = async function readFileContents(fileContents) {
+    const activities = [];
+    let currentActivity;
+    let aggregate = '';
+    let len = fileContents.length;
+    let i = 0;
+    for (; i < len; i++) {
+        const char = fileContents.charAt(i);
+        if (char !== '[') {
+            aggregate += char;
+            continue;
+        }
+        if (aggregate && currentActivity) {
+            currentActivity.message = aggregate.trim();
+            aggregate = '';
+        }
+        const { index, activity } = await readActivity(++i, fileContents);
+        i = index;
+        currentActivity = activity;
+        activities.push(activity);
+    }
+    return activities;
+};
+
+async function readActivity(index, fileContents) {
+    let len = fileContents.length;
+    let activity = new Activity();
+    let aggregate = '';
+    for (; index < len; index++) {
+        const char = fileContents.charAt(index);
+        if (char === ']') {
+            break;
+        }
+        aggregate += char;
+    }
+    const [ typeOrField, ...rest ] = aggregate.split(':');
+    const type = ActivityType[ typeOrField ];
+    if (type) {
+        activity.type = type;
+    }
+
+    const field = ActivityField[ typeOrField ];
+    if (field === ActivityField.Attachments) {
+        let [ contentType, content ] = rest;
+        if (contentType.includes('json')) {
+            try {
+                content = JSON.parse(content);
+            } catch (e) {
+                throw new Error(`The attachment contentType was "${contentType}" but the contents failed to parse correctly.`);
+            }
+        }
+        activity.attachments.push(new Attachment({ contentType, content }));
+    }
+
+    return { index, activity };
+}

Chatdown/package-lock.json

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+{
+  "name": "chatdown",
+  "version": "0.0.1",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "ansi-styles": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.0.tgz",
+      "integrity": "sha512-NnSOmMEYtVR2JVMIGTzynRkkaxtiq1xnFBcdQD/DnNCYPoEPsVJhM98BDyaoNOQIi7p4okdi3E27eN7GQbsUug==",
+      "requires": {
+        "color-convert": "1.9.1"
+      }
+    },
+    "chalk": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.1.tgz",
+      "integrity": "sha512-QUU4ofkDoMIVO7hcx1iPTISs88wsO8jA92RQIm4JAwZvFGGAV2hSAA1NX7oVj2Ej2Q6NDTcRDjPTFrMCRZoJ6g==",
+      "requires": {
+        "ansi-styles": "3.2.0",
+        "escape-string-regexp": "1.0.5",
+        "supports-color": "5.2.0"
+      }
+    },
+    "color-convert": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.1.tgz",
+      "integrity": "sha512-mjGanIiwQJskCC18rPR6OmrZ6fm2Lc7PeGFYwCmy5J34wC6F1PzdGL6xeMfmgicfYcNLGuVFA3WzXtIDCQSZxQ==",
+      "requires": {
+        "color-name": "1.1.3"
+      }
+    },
+    "color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
+    },
+    "escape-string-regexp": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
+    },
+    "has-flag": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+      "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
+    },
+    "minimist": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+    },
+    "supports-color": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.2.0.tgz",
+      "integrity": "sha512-F39vS48la4YvTZUPVeTqsjsFNrvcMwrV3RLZINsmHo+7djCvuUzSIeXOnZ5hmjef4bajL1dNccN+tg5XAliO5Q==",
+      "requires": {
+        "has-flag": "3.0.0"
+      }
+    }
+  }
+}

Chatdown/package.json

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+{
+  "name": "chatdown",
+  "version": "0.0.1",
+  "description": "Tool for parsing chat files and outputting replayable activities",
+  "main": "lib/chatdown.js",
+  "directories": {
+    "doc": "docs"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/Microsoft/botbuilder-tools.git"
+  },
+  "author": "Microsoft",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/Microsoft/botbuilder-tools/issues"
+  },
+  "homepage": "https://github.com/Microsoft/botbuilder-tools#readme",
+  "dependencies": {
+    "chalk": "^2.3.1",
+    "minimist": "^1.2.0"
+  },
+  "bin": {
+    "chatdown": "./bin/chatdown.js"
+  }
+}

Chatdown/sample.chat

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+[Message:LulaBot] Hi!
+
+[Message:Joe] yo!
+[Typing:LulaBot:3000]
+[Message:LulaBot] Greetings!
+What would you like to do?
+* update - You can update your account
+* List - You can list your data
+* help - you can get help
+
+[Message:Joe] I need help
+
+[Message:LulaBot]
+Here you go.
+
+[Attachments:LulaBot:content-type/json:{"imageUrl":"http://someimageurl"}]