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path: root/app/assets/javascripts/graphs/stat_graph_contributors_util.js
blob: 362a77e868f479bfeb742c880ce544ae8b92f250 (plain)
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/* eslint-disable */
(function() {
  window.ContributorsStatGraphUtil = {
    parse_log: function(log) {
      var by_author, by_email, data, entry, i, len, total;
      total = {};
      by_author = {};
      by_email = {};
      for (i = 0, len = log.length; i < len; i++) {
        entry = log[i];
        if (total[entry.date] == null) {
          this.add_date(entry.date, total);
        }
        data = by_author[entry.author_name] || by_email[entry.author_email];
        if (data == null) {
          data = this.add_author(entry, by_author, by_email);
        }
        if (!data[entry.date]) {
          this.add_date(entry.date, data);
        }
        this.store_data(entry, total[entry.date], data[entry.date]);
      }
      total = _.toArray(total);
      by_author = _.toArray(by_author);
      return {
        total: total,
        by_author: by_author
      };
    },
    add_date: function(date, collection) {
      collection[date] = {};
      return collection[date].date = date;
    },
    add_author: function(author, by_author, by_email) {
      var data;
      data = {};
      data.author_name = author.author_name;
      data.author_email = author.author_email;
      by_author[author.author_name] = data;
      return by_email[author.author_email] = data;
    },
    store_data: function(entry, total, by_author) {
      this.store_commits(total, by_author);
      this.store_additions(entry, total, by_author);
      return this.store_deletions(entry, total, by_author);
    },
    store_commits: function(total, by_author) {
      this.add(total, "commits", 1);
      return this.add(by_author, "commits", 1);
    },
    add: function(collection, field, value) {
      if (collection[field] == null) {
        collection[field] = 0;
      }
      return collection[field] += value;
    },
    store_additions: function(entry, total, by_author) {
      if (entry.additions == null) {
        entry.additions = 0;
      }
      this.add(total, "additions", entry.additions);
      return this.add(by_author, "additions", entry.additions);
    },
    store_deletions: function(entry, total, by_author) {
      if (entry.deletions == null) {
        entry.deletions = 0;
      }
      this.add(total, "deletions", entry.deletions);
      return this.add(by_author, "deletions", entry.deletions);
    },
    get_total_data: function(parsed_log, field) {
      var log, total_data;
      log = parsed_log.total;
      total_data = this.pick_field(log, field);
      return _.sortBy(total_data, function(d) {
        return d.date;
      });
    },
    pick_field: function(log, field) {
      var total_data;
      total_data = [];
      _.each(log, function(d) {
        return total_data.push(_.pick(d, [field, 'date']));
      });
      return total_data;
    },
    get_author_data: function(parsed_log, field, date_range) {
      var author_data, log;
      if (date_range == null) {
        date_range = null;
      }
      log = parsed_log.by_author;
      author_data = [];
      _.each(log, (function(_this) {
        return function(log_entry) {
          var parsed_log_entry;
          parsed_log_entry = _this.parse_log_entry(log_entry, field, date_range);
          if (!_.isEmpty(parsed_log_entry.dates)) {
            return author_data.push(parsed_log_entry);
          }
        };
      })(this));
      return _.sortBy(author_data, function(d) {
        return d[field];
      }).reverse();
    },
    parse_log_entry: function(log_entry, field, date_range) {
      var parsed_entry;
      parsed_entry = {};
      parsed_entry.author_name = log_entry.author_name;
      parsed_entry.author_email = log_entry.author_email;
      parsed_entry.dates = {};
      parsed_entry.commits = parsed_entry.additions = parsed_entry.deletions = 0;
      _.each(_.omit(log_entry, 'author_name', 'author_email'), (function(_this) {
        return function(value, key) {
          if (_this.in_range(value.date, date_range)) {
            parsed_entry.dates[value.date] = value[field];
            parsed_entry.commits += value.commits;
            parsed_entry.additions += value.additions;
            return parsed_entry.deletions += value.deletions;
          }
        };
      })(this));
      return parsed_entry;
    },
    in_range: function(date, date_range) {
      var ref;
      if (date_range === null || (date_range[0] <= (ref = new Date(date)) && ref <= date_range[1])) {
        return true;
      } else {
        return false;
      }
    }
  };

}).call(this);