Merge pull request transitmark#1 from Smartcop/new-branch

Added back original code

js/libhours.js

@@ -1,3 +1,136 @@
+// takes in the complete data object from the google doc/json file(s)
+// and a js date object
+// returns a hash (object) of libraries
+// library object key is the library name
+// library object value is an array of 7 "hours" strings
+// each of the 7 corresponds to a day-of-the-week (0=monday, 6=sunday)
+// the values are for the week in which the passed date object is in
+// e.g. pass in December 16, and you get an object that contains hours for 
+// monday-sunday of the week of the 16th, same if you pass in December 17,
+// since that is in the same week.
+function buildCompleteHoursObject(data, date) {
+    // moment will accept lots of different date formats
+    var moment_date = moment(date);
+
+    // use that date to determine the monday of "this" week
+    // clone insures we don't alter the original
+    var start_date = moment_date.clone().subtract(moment_date.isoWeekday()-1, 'days');
+
+    // array with date (using moment) for each day-of-week (dow) 0=monday, 6=sunday
+    var dates_per_day = [];
+
+    // array with name of day for each dow
+    // this is needed because we need the spreadsheet to be human-readable
+    var names_per_day = [
+        'monday',
+        'tuesday',
+        'wednesday',
+        'thursday',
+        'friday',
+        'saturday',
+        'sunday'
+    ];
+
+    // hash of exceptions--hash of dates each contain a hash of lib names
+    // (this could be reversed if that makes more sense)
+    var exceptions = {};
+
+    // hash of hours broken down by semester, location, day
+    var hours_data = {};
+
+    // array of semester for each dow--in case the semester changes in the middle of the week
+    var semester_per_day = [];
+
+    // hash of hours data for "this" week
+    var hours = {};
+
+    // exceptions must be accessed by date, then location
+    // we have to do some strange iterations because of the format 
+    // of the spreadsheet
+
+    // skip first column name ("location"), it's not needed for processing, just for human editing
+    _.each(data['Holidays and Special Hours'].column_names.slice(1), function(exception_name) {
+        // iterate through each library, creating an object for each
+        // where the key is the location name, and the value is an object
+        // each object should contain key/value pairs of date => hours
+        // skip the first row of elements, because that just holds the dates themselves
+        _.each(data['Holidays and Special Hours'].elements.slice(1), function(library) {
+            exceptions[library.location] = exceptions[library.location] || {};
+
+            // make sure there's an exception for this particular library for this exception name
+            if (library[exception_name]) {
+                var exception_date = data['Holidays and Special Hours'].elements[0][exception_name];
+
+                exceptions[library.location][exception_date] = library[exception_name];
+            }
+        });
+    });
+
+    // hours_data must be access by semester, then location, then by day
+    _.each(data['Semester Breakdown'].elements, function(semester) {
+        hours_data[semester.semestername] = {};
+
+        if (data[semester.semestername]) {
+            _.each(data[semester.semestername].elements, function(location) {
+                hours_data[semester.semestername][location.location] = location;
+            });
+        }
+    });
+
+    // run through each DOW for "this" week
+    // determine what date the day is
+    // determine which semester that date falls in
+    // this is in case a semester changes in the middle of a week (is that possible?)
+    for (var i=0; i < 7; i++) {
+        var date = start_date.clone().add(i, 'days');
+
+        dates_per_day.push(date);
+
+        semester_per_day.push(_.find(data['Semester Breakdown'].elements, function(semester) {
+            if (    date.isSame(semester.start, 'day') ||
+                    date.isSame(semester.end, 'day') ||
+                    (   date.isAfter(semester.start, 'day') &&
+                        date.isBefore(semester.end, 'day'))) {
+                return semester.semestername;
+            }
+        }));
+    }
+
+    // build hash of arrays (weekly hours) for display in template
+    // lib name as key, value as array of hours for each DOW
+        // for each lib
+            // for each DOW
+                // check date against lib exceptions list
+                // check against lib tab hours
+                // if no exceptions and no lib tab, use default hours from default hours object
+    _.each(data['Holidays and Special Hours'].elements.slice(1), function(lib) {
+        for (var i=0; i < 7; i++) {
+            var library = lib.location;
+            var date = dates_per_day[i].format('M/D/YYYY');
+            var day_name = names_per_day[i];
+            var semester = semester_per_day[i].semestername;
+
+            hours[library] = hours[library] || {};
+
+            if (exceptions[library] && exceptions[library][date]) {
+                hours[library][i] = exceptions[library][date];
+            }
+            else if (hours_data[semester] && hours_data[semester][library] && hours_data[semester][library][day_name]) {
+                hours[library][i] = hours_data[semester][library][day_name];
+            }
+            else {
+                hours[library][i] = 'TBA';
+            }
+        }
+    });
+
+    return hours;
+}
+
+function getSingleHoursObject(completeHoursObject, date, libname) {
+    return completeHoursObject[libname][moment(date).isoWeekday()-1];
+}
+
 function buildNormalHoursObject(data) {
 
     var hours_data = {};
@@ -262,5 +395,4 @@ function buildExceptionObject(exception_date, exception_name, splithours) {
     singleException['hours'] = hours;
 
     return singleException;
-}
-
+}

js/main.js

@@ -1,8 +1,17 @@
 // what to do with the hoursObject once it's been built
-function processTerms(data, tabletop) {
+function processHours(data, tabletop) {
+    // get page_date however you want, I'm just defaulting to new Date
+    var date = new Date(2015, 11, 31);
 
-    var object = buildNormalHoursObject(data);
-    document.write(JSON.stringify(object));
+    // only build the hours object once
+    var completeHoursObject = buildCompleteHoursObject(data, date);
+
+    console.log(completeHoursObject);
+
+    // extract the hours for a particular date/lib from the complete object this way
+    var singleHoursObject = getSingleHoursObject(completeHoursObject, date, 'Barker Library')
+
+    console.log(singleHoursObject);
 }
 
 window.onload = function() {
@@ -12,9 +21,15 @@ window.onload = function() {
         key: '1aEV-CZIqJD9hHJWNWTWIN0I4Cgz3M8jpl4hQwA9l8JU',
 
         // function to call when the data is retrieved
-        //callback: processHours,
         callback: processTerms,
 
         simpleSheet: false
     });
+}
+
+// what to do with the hoursObject once it's been built
+function processTerms(data, tabletop) {
+
+    var object = buildNormalHoursObject(data);
+    document.write(JSON.stringify(object));
 }