haxe/ItemScheduler.hx

   1 import php.Lib;
   2
   3 enum Maybe<T> {
   4         Nothing;
   5         Just(v : T);
   6 }
   7
   8 class QueryIterator<T> {
   9         var result : Dynamic;
  10         var nextValue : Maybe<T>;
  11         public function new(result) {
  12                 this.result= result;
  13                 /* We fetch the first row , so we can answer hasNext */
  14                 fetch();
  15         }
  16
  17         private function fetch() {
  18                 var next : Dynamic = untyped __call__('db_fetch', this.result);
  19                 nextValue = if(next) Just(next) else Nothing;
  20         }
  21
  22         public function  hasNext() : Bool {
  23                 return this.nextValue != Nothing;
  24         }
  25
  26         public function next() : T {
  27                 switch(this.nextValue) {
  28                 case Nothing : throw 'Iterator exhausted';
  29                 case Just(v) :  {
  30                         this.fetch();
  31                         return v;
  32                 };
  33                 }
  34         }
  35 }
  36 class FA {
  37         static public function query(sql: String) {
  38                 var result = untyped __call__('db_query', sql, sql);
  39                 return new QueryIterator(result);
  40         }
  41
  42         static public function tb() : String {
  43                 return untyped __php__('TB_PREF');
  44         }
  45
  46         static public function sql2date(sqlDate:Dynamic) : Null<Date> {
  47                 return sqlDate == null ? null : Date.fromString(sqlDate);
  48         }
  49 }
  50 class ItemScheduler {
  51         var stock_id:String;
  52         var startLocation:String;
  53         var qoh: Int;
  54         function new(stock_id: String, startLocation) {
  55                 this.stock_id = stock_id;
  56                 this.startLocation = startLocation;
  57                 qoh =  untyped __call__('get_qoh_on_date', this.stock_id, 'DEF');
  58         }
  59
  60         function tableHeader() {
  61                 return ["Order", "Customer", "Quantity", "Before", "After", "Loc", "From",  "Required Date", "Comment"];
  62         }
  63
  64 /*
  65         function generateTablex(): Void {
  66                 for(location in locations()) {
  67                         formatLocation(location, null);
  68                 }
  69                 for(order in this.orders()) {
  70                         this.formatRow(order);
  71                 }
  72         }
  73 */
  74
  75         function generateTable(): Void {
  76                         var startDate = Date.fromTime(0);
  77                         for(order in orders()) {
  78                                         var obj = php.Lib.objectOfAssociativeArray(order);
  79
  80                         }
  81
  82                         // Sort location by datae
  83                         var locations = this.locations();
  84                         locations.sort(function(a, b) {
  85                                 return cast(a.delivery.getTime() - b.delivery.getTime(), Int );
  86                                 });
  87
  88                 // Get the start location, it should be the first one
  89                 var locationIter = locations.iterator();
  90                 var location  = locationIter.next();
  91                 var qoh : Int = location.quantityOnHand(stock_id, null);
  92                 var left = qoh;
  93                 formatLocation(location, "Initial", left);
  94
  95                 // We display the order ordered by priority
  96                 // But insert the location when needed (meaning
  97                 // when we run out of item available
  98                 for(orderRow in orders()) {
  99                         var order = php.Lib.objectOfAssociativeArray(orderRow);
 100                         var quantity : Int = Std.parseInt(order.quantity);
 101
 102                         while(0 > left && locationIter.hasNext()) {
 103                                 location = locationIter.next();
 104                                 var quantityForLocation : Int = location.quantityOnHand(stock_id, null);
 105                                 if(quantityForLocation == null || quantityForLocation == 0) continue;
 106                                 left += quantityForLocation;
 107                                 formatLocation(location, "Delivery", left);
 108                         }
 109                         left -= quantity;
 110
 111                         formatOrder(order, left, location.delivery);
 112
 113                 }
 114
 115         }
 116
 117         function printRow(tds : Array<Dynamic>, attributes : Array<String>) {
 118                 php.Lib.print('<tr '+attributes.join(' ')+'>');
 119                 for(td in tds) {
 120                         php.Lib.print('<td>');
 121                         if(td) php.Lib.print(td);
 122                         php.Lib.print('</td>');
 123                 }
 124                 php.Lib.print('</tr>');
 125         }
 126
 127         function formatOrder(order : Dynamic, left : Int, date : Date) {
 128                         var attributes = [];
 129                         var classes = [];
 130                         var before : Int = left + order.quantity;
 131                         /* We have basically 3 different cases;
 132                          * - the order can be fullfilled
 133                          * - the order can be partially
 134                    * - not at all
 135                          */
 136                         if (before < 0 ) {
 137                                         classes.push('soldout');
 138                         }
 139                         else if(left < 0) {
 140                                         classes.push('partial');
 141                         }
 142                         else {
 143                                         classes.push('full');
 144                         }
 145
 146                         /* The order can also be late if we need
 147                          * to wait for a delivery to get it
 148                          */
 149                 var required_by : Date = FA.sql2date(order.required_date);
 150                 if(required_by == null) required_by = FA.sql2date(order.delivery_date);
 151                 if(required_by.getTime() < date.getTime()) {
 152                         classes.push('late');
 153                 }
 154                 else {
 155                         classes.push('on_time');
 156                 }
 157                         var cells : Array <Dynamic> = [
 158                                 order.order_id
 159                                 , '<a href="/modules/order_line_extra/order_lines_view.php?customer_id='+Std.string(order.debtor_no)+'">'+order.deliver_to+'</a>'
 160                                 ,order.quantity
 161                                 ,before
 162                                 ,left
 163                                 ,order.from_stk_loc
 164                                 ,order.delivery_date
 165                                 ,order.required_date
 166                                 ,order.comment
 167                         ];
 168
 169                         attributes.push('class="'+classes.join(' ')+'"');
 170                         printRow(cells, attributes);
 171
 172         }
 173
 174         function formatRow(row) {
 175                 var array = php.Lib.hashOfAssociativeArray(row);
 176                 var quantity_before : Int = array.get('quantity_before');
 177                 var quantity_available = qoh - quantity_before;
 178                 var quantity: Int = array.get('quantity');
 179
 180                 var status : String = if(quantity_available < quantity) 'overduebg';
 181
 182                 var cells : Array<Dynamic> = [
 183                         array.get('order_id')
 184                         ,array.get('deliver_to')
 185                         ,quantity
 186                         ,quantity_available-quantity
 187                         ,quantity_available
 188                         ,array.get('from_stk_loc')
 189                         ,array.get('delivery_date')
 190                 ];
 191
 192                 php.Lib.print('<tr class="'+status+'">');
 193                 for(cell in cells) {
 194                         php.Lib.print('<td>');
 195                         php.Lib.print(cell);
 196                         php.Lib.print('</td>');
 197                 }
 198                 php.Lib.print('</tr>');
 199
 200
 201         }
 202
 203         function formatLocation(location : Location, type: String,  left : Int) {
 204                 var cells = [
 205                         type
 206                         ,location.name
 207                         ,location.quantityOnHand(stock_id, null)
 208                         ,left-location.quantityOnHand(stock_id, null)
 209                         ,left
 210                         ,location.code
 211                         ,location.delivery
 212                         ,""
 213                         ,""
 214                 ];
 215
 216                 printRow(cells, ['class = "tableheader location"']);
 217         }
 218
 219 /*
 220         function schedules() {
 221                 //return orders()+locations();
 222                 //return  orders();
 223                 return cast(locations(), Array<Dynamic>);
 224
 225         }
 226 */
 227
 228         function orders() {
 229                 var tb : String =  untyped __php__('TB_PREF');
 230                 var sql : String = "SELECT *
 231                                                 FROM "+tb+"denorm_order_details_queue  d
 232                                                 JOIN "+tb+"sales_order_details od ON (od.id = d.id)
 233                                                 JOIN "+tb+"sales_orders so ON (so.order_no = d.order_id)
 234                                                 WHERE stock_id = '"+this.stock_id+"'
 235                                                 AND od.trans_type = 30
 236                                                 ORDER by quantity_before";
 237
 238                 return FA.query(sql);
 239         }
 240
 241         function locations() {
 242                 var TB = FA.tb();
 243                 var sql = 'SELECT *
 244                                                         FROM '+TB+'locations';
 245                 var _locs = [];
 246                 for(row in FA.query(sql)) {
 247                         var location = new Location(row);
 248                         if(location.code == startLocation) {
 249                          location.delivery =  Date.fromTime(0);
 250                         }
 251                         _locs.push(location);
 252                 }
 253
 254                 return _locs;
 255
 256         }
 257
 258
 259         function purcharseOrders()  {
 260         }
 261
 262 }
 263
 264