Implemented Features and Items granting effects, actions, attacks and spells

rpg-docs/lib/methods/featureUtils.js

@@ -0,0 +1,56 @@
+Meteor.methods({
+	addFeature: function(charId, newFeature){
+		Characters.update(
+			charId, 
+			{ $push: {"customFeatures": newFeature} }
+		);
+		addFeatureEffects(charId, newFeature);
+	},
+	removeFeature: function(charId, oldFeature){
+		Characters.update(
+			charId,
+			{ $pull: { "customFeatures": {"_id": oldFeature._id} } }
+		);
+		removeFeatureEffects(charId, oldFeature);
+	},
+	updateFeature: function (charId, oldFeature, newFeature) {
+		var selector = {_id: charId, "customFeatures._id": oldFeature._id};
+		var setter = {"customFeatures.$": newFeature};
+		Characters.update(
+			selector,
+			{ $set: setter }
+		);
+		removeFeatureEffects(charId, oldFeature);
+		addFeatureEffects(charId, newFeature);
+	}
+});
+
+addFeatureEffects = function(charId, newFeature){
+	_.each(newFeature.effects, function(effect){
+		pushEffect(charId, effect);
+	});
+	_.each(newFeature.actions, function(action){
+		pushAction(charId, action);
+	});
+	_.each(newFeature.attacks, function(attack){
+		pushAttack(charId, attack);
+	});
+	_.each(newFeature.spells, function(spell){
+		pushSpell(charId, spell);
+	});
+}
+
+removeFeatureEffects = function(charId, oldFeature){
+	_.each(oldFeature.effects, function(effect){
+		pullEffect(charId, effect);
+	});
+	_.each(oldFeature.actions, function(action){
+		pullAction(charId, action);
+	});
+	_.each(newFeature.attacks, function(attack){
+		pushAttack(charId, attack);
+	});
+	_.each(newFeature.spells, function(spell){
+		pushSpell(charId, spell);
+	});
+};