src/Entity/ItemPrice.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity
+ * @ORM\Table(name="item_price")
+ */
+
+class ItemPrice
+{
+    // unique id
+    /**
+     * @ORM\Id
+     * @ORM\Column(type="integer")
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    protected $id;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="PriceTier", inversedBy="items")
+     * @ORM\JoinColumn(name="price_tier_id", referencedColumnName="id")
+     */
+    protected $price_tier;
+
+    // item type
+    /**
+     * @ORM\ManyToOne(targetEntity="ItemType", inversedBy="item_prices")
+     * @ORM\JoinColumn(name="item_type_id", referencedColumnName="id")
+     */
+    protected $item_type;
+
+    // could be battery id or service offering id, loosely coupled
+    /**
+     * @ORM\Column(type="integer")
+     */
+    protected $item_id;
+
+    // current price
+    // NOTE: we need to move the decimal point two places to the left to get actual value
+    //       we want to avoid floating point problems
+    /**
+     * @ORM\Column(type="integer")
+     */
+    protected $item_price;
+
+    public function getID()
+    {
+        return $this->id;
+    }
+}

src/Entity/ItemType.php

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+<?php
+
+namespace App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+
+use Symfony\Component\Validator\Constraints as Assert;
+
+/**
+ * @ORM\Entity
+ * @ORM\Table(name="item_type", indexes={
+ *     @ORM\Index(name="item_type_idx", columns={"code"})
+ * })
+ */
+
+class ItemType
+{
+    // unique id
+    /**
+     * @ORM\Id
+     * @ORM\Column(type="integer")
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    protected $id;
+
+    /**
+     * @ORM\Column(type="string", length=80)
+     * @Assert\NotBlank()
+     */
+    protected $name;
+
+    /**
+     * @ORM\Column(type="string", length=80)
+     * @Assert\NotBlank()
+     */
+    protected $code;
+
+    public function __construct()
+    {
+        $this->code = '';
+    }
+
+    public function getID()
+    {
+        return $this->id;
+    }
+
+    public function setName($name)
+    {
+        $this->name = $name;
+        return $this;
+    }
+
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function setCode($code)
+    {
+        $this->code = $code;
+        return $this;
+    }
+
+    public function getCode()
+    {
+        return $this->code;
+    }
+}

src/Entity/PriceTier.php

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+<?php
+
+namespace App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+use Doctrine\Common\Collections\ArrayCollection;
+
+/**
+ * @ORM\Entity
+ * @ORM\Table(name="price_tier")
+ */
+
+class PriceTier
+{
+    // unique id
+    /**
+     * @ORM\Id
+     * @ORM\Column(type="integer")
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    protected $id;
+
+    // name of price tier
+    /**
+     * @ORM\Column(type="string", length=80)
+     */
+    protected $name;
+
+    // supported areas under price tier
+    /**
+     * @ORM\Column(type="json")
+     */
+    protected $meta_areas;
+
+    // items under a price tier
+    /**
+     * @ORM\OneToMany(targetEntity="ItemPrice", mappedBy="price_tier")
+     */
+    protected $items;
+
+    public function __construct()
+    {
+        $this->meta_areas = [];
+
+        $this->items = new ArrayCollection();
+    }
+
+    public function getID()
+    {
+        return $this->id;
+    }
+
+    public function setName($name)
+    {
+        $this->name = $name;
+        return $this;
+    }
+
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function addMetaArea($id, $value)
+    {
+        $this->meta_areas[$id] = $value;
+    }
+
+    public function getAllMetaAreas()
+    {
+        return $this->meta_areas;
+    }
+}