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