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Wiki article analytics

Project Management

File Structure

  • app
    • controllers
    • models
    • routes
    • views
  • public
    • css
  • node_modules
  • main.js
  • package.json

Implementation

Import data

  • To load all json data files on Linux system

    1. Open terminal
    2. Move to the directory storing all the json files
    3. copy the following command and press enter

    ls -1 *.json | while read jsonfile; do mongoimport -d support -c logs --db wikipedia --collection revisions --file $jsonfile --jsonArray; done

    1. If importation failed, please check your database name and collections name are correct
      • database name: wikipedia
      • collection name: revisions

Data Preprocessing

Please run these three javascript files after the data is successfully loaded.

  1. Run StringToDate.js Convert the timestamp of all the articles to Date type.
  2. Run user_type.js Add another attribute 'type' for distinguishing the type of user making the article revision.
  3. Run createIndex.js Create index on attribute 'timestamp' to enable faster sorting.

Module Modification

One of the function in node_module 'nodemw', needs to be modified prior the use of the app.

Location: nodemw/lib/bot.js Function name: getArticleRevisions

Change to:

getArticleRevisions( title, startTimeStamp, callback ) {
            const params = {
                action: 'query',
                prop: 'revisions',
                rvprop: [ 'ids', 'timestamp', 'size', 'flags', 'comment', 'user' ].join( '|' ),
                rvdir: 'newer', // order by timestamp asc
                rvlimit: API_LIMIT,
                rvstart: startTimeStamp
            };

            // both page ID or title can be provided
            if ( typeof title === 'number' ) {
                this.log( `Getting revisions of article #${title}...` );
                params.pageids = title;
            } else {
                this.log( `Getting revisions of ${title}...` );
                params.titles = title;
            }

            this.getAll(
                params,
                function ( batch ) {
                    const page = getFirstItem( batch.pages );
                    return page.revisions;
                },
                callback
            );
        },