Added some util methods and ansiCalendar.

lib/index.js

@@ -4,7 +4,10 @@ var FsExtra = require("fs-extra")
   , Moment = require("moment")
   ;
 
-const STORE_PATH = Ul.USER_DIR + "/.git-stats";
+// Constants
+const STORE_PATH = Ul.USER_DIR + "/.git-stats"
+    , LEVELS = 5
+    ;
 
 // Constructor
 var GitStats = module.exports = {};
@@ -65,30 +68,56 @@ GitStats.record = function (data, callback) {
  *
  * @name get
  * @function
- * @param {Object} data The stats filter. **Not yet implemented**.
  * @param {Function} callback The callback function.
  * @return {undefined}
  */
-GitStats.get = function (data, callback) {
-    if (typeof data === "function") {
-        callback = data;
-        data = {};
-    }
+GitStats.get = function (callback) {
     FsExtra.readJSON(STORE_PATH, callback);
 };
 
+GitStats.iterateDays = function (data, callback) {
+
+    if (typeof data === "function") {
+        callback = data;
+        data = undefined;
+    }
+
+    // Merge the defaults
+    data = Ul.merge({
+        end: Moment()
+      , start: Moment().subtract(1, "years")
+      , format: "MMM D, YYYY"
+    }, data);
+
+    var start = data.start
+      , end = data.end
+      , cDay = null
+      ;
+
+    while (!start.isAfter(end)) {
+        cDay = start.format(data.format);
+        callback(cDay);
+        start.add(1, "days")
+    }
+};
+
 GitStats.graph = function (data, callback) {
-    GitStats.get(data, function (err, stats) {
+
+    if (typeof data === "function") {
+        callback = data;
+        data = undefined;
+    }
+
+    // Get commits
+    GitStats.get(function (err, stats) {
         if (err) { return callback(err); }
-        var year = {}
-          , end = Moment()
-          , start = Moment().subtract({ years: 1 })
-          , cDay = null
-          , cDayObj = null
+
+        var cDayObj = null
+          , year = {}
           ;
 
-        while (!(start > end)) {
-            cDay = start.format("MMM D, YYYY");
+        // Iterate days
+        GitStats.iterateDays(data, function (cDay) {
             cDayObj = year[cDay] = {
                 _: stats[cDay] || {}
               , c: 0
@@ -97,11 +126,51 @@ GitStats.graph = function (data, callback) {
             Object.keys(cDayObj._).forEach(function (c) {
                 cDayObj.c += Object.keys(cDayObj._[c]).length;
             });
-
-            start.add(1, "days")
-        }
+        });
 
         callback(null, year);
-        // ⬚ ▢ ▤ ▣ ⬛
+    });
+};
+
+GitStats.calendar = function (data, callback) {
+    GitStats.graph(data, function (err, graph) {
+        if (err) { return callback(err); }
+        var cal = { total: 0, days: {} }
+          , cDay = null
+          , days = Object.keys(graph)
+          , max = 0
+          ;
+
+        days.forEach(function (c) {
+            cDay = graph[c];
+            cal.total += cDay.c;
+            if (cDay.c > max) {
+                max = cDay.c;
+            }
+        });
+
+        days.forEach(function (c) {
+            cDay = graph[c];
+            cal.days[c] = {
+                c: cDay.c
+              , level: cDay.c === 0 ? 0 : LEVELS - Math.floor(max / (cDay.c + 2))
+            };
+        });
+
+        callback(null, cal);
+    });
+};
+
+GitStats.ansiCalendar = function (data, callback) {
+
+    if (typeof data === "function") {
+        callback = data;
+        data = undefined;
+    }
+        // ⬚ ▢ ▤ ▣ ⬛
+    GitStats.calendar(data, function (err, cal) {
+        if (err) { return callback(err); }
+
+        debugger
     });
 };