Continued work on the historical pages.

imports/api/asset-assignment-history.js

@@ -1,4 +1,10 @@
 import {Mongo} from "meteor/mongo";
+import {Meteor} from "meteor/meteor";
+import {check} from "meteor/check";
+import {Assets} from "/imports/api/assets";
+import {Students} from "/imports/api/students";
+import {Staff} from "/imports/api/staff";
+import {AssetTypes} from "/imports/api/asset-types";
 
 export const AssetAssignmentHistory = new Mongo.Collection('assetAssignmentHistory');
 
@@ -17,4 +23,62 @@ startCondition: One of the condition options: [New, Like New, Good, Okay, Damage
 endCondition: One of the condition options: [New, Like New, Good, Okay, Damaged] (see assets.unassign for details).
 startConditionDetails: An optional text block for details on the condition.
 endConditionDetails: An optional text block for details on the condition.
- */
+ */
+
+
+if (Meteor.isServer) {
+	Meteor.methods({
+		/**
+		 * Collects historical data on asset assignments.
+		 * @param params An object with a single attribute.  The attribute must be one of: assetId, serial, staffId, or studentId.  It will find all Assignment data for the given attribute value.
+		 * @returns {any} Array of Asset Assignment History objects.
+		 */
+		'AssetAssignmentHistory.get'(params) {
+			if(Roles.userIsInRole(Meteor.userId(), "laptop-management", {anyScope:true})) {
+				let query = {};
+
+				if(params.studentId) check(params.studentId, String)
+				if(params.staffId) check(params.staffId, String)
+				if(params.assetId) check(params.assetId, String)
+				if(params.serial) check(params.serial, String)
+
+				if(params.serial) query.serial = params.serial;
+				else if(params.assetId) query.assetId = params.assetId;
+				else if(params.studentId) {
+					query.assigneeId = params.studentId
+					query.assigneeType = "Student"
+				}
+				else if(params.staffId) {
+					query.assigneeId = params.staffId
+					query.assigneeType = "Staff"
+				}
+				else {
+					query = undefined;
+				}
+				
+				if(query) {
+					//Sort by the last time the record was updated from most to least recent.
+					let result = AssetAssignmentHistory.find(query, {sort: {endDate: -1}}).fetch();
+
+					//Add some additional data to the records.
+					for(let next of result) {
+						if(next.serial) {
+							next.asset = Assets.findOne({serial: next.serial});
+						}
+
+						if(next.asset) {
+							next.assetType = AssetTypes.findOne({_id: next.asset.assetType})
+						}
+
+						if(next.assigneeId) {
+							next.assignee = next.asset.assigneeType === "Student" ? Students.findOne({_id: next.assigneeId}) : Staff.findOne({_id: next.assigneeId})
+						}
+					}
+
+					return result;
+				} else return null;
+			}
+			else return null;
+		}
+	});
+}