includes/ui/items_cart.inc

   1 <?php
   2
   3 include_once($path_to_root . "/includes/prefs/sysprefs.inc");
   4 include_once($path_to_root . "/inventory/includes/inventory_db.inc");
   5
   6 class items_cart
   7 {
   8
   9         var $line_items;
  10         var $gl_items;
  11
  12         var $gl_item_count;
  13
  14         var     $order_id;
  15
  16         var $editing_item, $deleting_item;
  17
  18         var $from_loc;
  19         var $to_loc;
  20         var $tran_date;
  21         var $transfer_type;
  22         var $increase;
  23         var $memo_;
  24         var $person_id;
  25         var $branch_id;
  26
  27         function items_cart()
  28         {
  29                 $this->clear_items();
  30         }
  31
  32         // --------------- line item functions
  33
  34         function add_to_cart($stock_id, $qty, $standard_cost, $description=null)
  35         {
  36
  37                 if (isset($stock_id) && $stock_id != "" && isset($qty))
  38                 {
  39                         $this->line_items[$stock_id] = new line_item($stock_id, $qty,
  40                                 $standard_cost, $description);
  41                         $this->clear_editing_flags();
  42                         return true;
  43                 }
  44                 else
  45                 {
  46                         // shouldn't come here under normal circumstances
  47                         display_db_error("unexpected - adding an invalid item or null quantity", "", true);
  48                 }
  49
  50                 return false;
  51         }
  52
  53         function find_cart_item($stock_id)
  54         {
  55                 if (isset($this->line_items[$stock_id]) && $this->line_items[$stock_id] != null)
  56                         return $this->line_items[$stock_id];
  57                 return null;
  58         }
  59
  60         function update_cart_item($update_item, $qty, $standard_cost)
  61         {
  62                 $this->line_items[$update_item]->quantity = $qty;
  63                 $this->line_items[$update_item]->standard_cost = $standard_cost;
  64                 $this->clear_editing_flags();
  65         }
  66
  67         function remove_from_cart(&$stock_id)
  68         {
  69                 if (isset($stock_id))
  70                 {
  71                         unset($this->line_items[$stock_id]);
  72                         $this->clear_editing_flags();
  73                 }
  74         }
  75
  76         function count_items()
  77         {
  78                 return count($this->line_items);
  79         }
  80
  81         function check_qoh($location, $date_, $reverse=false)
  82         {
  83                 foreach ($this->line_items as $line_item)
  84                 {
  85                         $item_ret = $line_item->check_qoh($location, $date_, $reverse);
  86                         if ($item_ret != null)
  87                                 return $line_item;
  88                 }
  89         }
  90
  91         // ----------- GL item functions
  92
  93         function add_gl_item($code_id, $dimension_id, $dimension2_id, $amount, $reference, $description=null)
  94         {
  95                 if (isset($code_id) && $code_id != "" && isset($amount) && isset($dimension_id)  &&
  96                         isset($dimension2_id))
  97                 {
  98                         $this->gl_items[$this->gl_item_count] = new gl_item($this->gl_item_count,
  99                                 $code_id, $dimension_id, $dimension2_id, $amount, $reference, $description);
 100                         $this->gl_item_count++;
 101                         $this->clear_editing_flags();
 102                         return true;
 103                 }
 104                 else
 105                 {
 106                         // shouldn't come here under normal circumstances
 107                         display_db_error("unexpected - adding an invalid item or null quantity", "", true);
 108                 }
 109
 110                 return false;
 111         }
 112
 113         function update_gl_item($index, $dimension_id, $dimension2_id, $amount, $reference, $description=null)
 114         {
 115                 $this->gl_items[$index]->index = $index;
 116                 $this->gl_items[$index]->dimension_id = $dimension_id;
 117                 $this->gl_items[$index]->dimension2_id = $dimension2_id;
 118                 $this->gl_items[$index]->amount = $amount;
 119                 $this->gl_items[$index]->reference = $reference;
 120                 if ($description != null)
 121                         $this->gl_items[$index]->description = $description;
 122
 123                 $this->clear_editing_flags();
 124         }
 125
 126         function remove_gl_item($index)
 127         {
 128                 if (isset($index))
 129                 {
 130                         unset($this->gl_items[$index]);
 131                         $this->clear_editing_flags();
 132                 }
 133         }
 134
 135         function count_gl_items()
 136         {
 137                 return count($this->gl_items);
 138         }
 139
 140         function gl_items_total()
 141         {
 142                 $total = 0;
 143                 foreach ($this->gl_items as $gl_item)
 144                         $total += $gl_item->amount;
 145                 return $total;
 146         }
 147
 148         function gl_items_total_debit()
 149         {
 150                 $total = 0;
 151                 foreach ($this->gl_items as $gl_item)
 152                 {
 153                         if ($gl_item->amount > 0)
 154                                 $total += $gl_item->amount;
 155                 }
 156                 return $total;
 157         }
 158
 159         function gl_items_total_credit()
 160         {
 161                 $total = 0;
 162                 foreach ($this->gl_items as $gl_item)
 163                 {
 164                         if ($gl_item->amount < 0)
 165                                 $total += $gl_item->amount;
 166                 }
 167                 return $total;
 168         }
 169
 170         // ------------ common functions
 171
 172         function clear_items()
 173         {
 174         unset($this->line_items);
 175                 $this->line_items = array();
 176
 177         unset($this->gl_items);
 178                 $this->gl_items = array();
 179                 $this->gl_item_count = 1;
 180
 181                 $this->clear_editing_flags();
 182         }
 183
 184         function clear_editing_flags()
 185         {
 186                 $this->editing_item = $this->deleting_item = 0;
 187         }
 188
 189         function get_editing_item()
 190         {
 191                 return $this->editing_item;
 192         }
 193
 194         function get_deleting_item()
 195         {
 196                 return $this->deleting_item;
 197         }
 198
 199         function is_editing_item($index)
 200         {
 201                 return ($this->editing_item > 0) && ($this->editing_item == $index);
 202         }
 203
 204         function is_deleting_item($index)
 205         {
 206                 return ($this->deleting_item > 0) && ($this->deleting_item == $index);
 207         }
 208
 209 }
 210
 211 //--------------------------------------------------------------------------------------------
 212
 213 class line_item
 214 {
 215         var $stock_id;
 216         var $item_description;
 217         var $units;
 218         var $mb_flag;
 219
 220         var $quantity;
 221         var $price;
 222         var $standard_cost;
 223
 224         function line_item ($stock_id, $qty, $standard_cost=null, $description=null)
 225         {
 226                 $item_row = get_item($stock_id);
 227
 228                 if ($item_row == null)
 229                         display_db_error("invalid item added to order : $stock_id", "");
 230
 231                 $this->mb_flag = $item_row["mb_flag"];
 232                 $this->units = $item_row["units"];
 233
 234                 if ($description == null)
 235                         $this->item_description = $item_row["description"];
 236                 else
 237                         $this->item_description = $description;
 238
 239                 if ($standard_cost == null)
 240                         $this->standard_cost = $item_row["actual_cost"];
 241                 else
 242                         $this->standard_cost = $standard_cost;
 243
 244                 $this->stock_id = $stock_id;
 245                 $this->quantity = $qty;
 246                 //$this->price = $price;
 247                 $this->price = 0;
 248         }
 249
 250         function check_qoh($location, $date_, $reverse)
 251         {
 252         if (!sys_prefs::allow_negative_stock())
 253         {
 254                         if (has_stock_holding($this->mb_flag))
 255                         {
 256                                 $quantity = $this->quantity;
 257                                 if ($reverse)
 258                                         $quantity = -$this->quantity;
 259
 260                                 if ($quantity >= 0)
 261                                         return null;
 262
 263                                 $qoh = get_qoh_on_date($this->stock_id, $location, $date_);
 264                         if ($quantity + $qoh < 0)
 265                         {
 266                                 return $this;
 267                         }
 268                 }
 269         }
 270
 271         return null;
 272         }
 273 }
 274
 275 //---------------------------------------------------------------------------------------
 276
 277 class gl_item
 278 {
 279
 280         var $index;
 281         var $code_id;
 282         var $dimension_id;
 283         var $dimension2_id;
 284         var $amount;
 285         var $reference;
 286         var $description;
 287
 288         function gl_item($index, $code_id, $dimension_id, $dimension2_id, $amount, $reference,
 289                 $description=null)
 290         {
 291                 //echo "adding $index, $code_id, $dimension_id, $amount, $reference<br>";
 292
 293                 if ($description == null)
 294                         $this->description = get_gl_account_name($code_id);
 295                 else
 296                         $this->description = $description;
 297
 298                 $this->index = $index;
 299                 $this->code_id = $code_id;
 300                 $this->dimension_id = $dimension_id;
 301                 $this->dimension2_id = $dimension2_id;
 302                 $this->amount = $amount;
 303                 $this->reference = $reference;
 304         }
 305 }
 306
 307 //---------------------------------------------------------------------------------------
 308
 309 ?>