feat: Tax included (#370)

* feat: Tax included

* Added a toggle switch in tax settings to enable the feature.
* Database migration adding tax_included field into estimates, invoices
  and recurring invoices table.
* Toggle switch to enable and store the tax_included by estimates,
  invoices and recurring invoices.
* In case of tax included enabled, total taxes will be recalculated and
  the invoices, estimates and recurring invoices total won't be sum with
  taxes.
* Apply tax included when discount_per_item/tax_per_item item is enabled.
* Custom component to show the net total when tax included is enabled.
* Update invoice and estimates pdfs with net total.

* chore: Tax included by default

A switch button inside the tax settings to enable the tax included by
default in invoices, estimates and recurring invoices.

resources/scripts/admin/views/settings/TaxTypesSetting.vue

@@ -52,6 +52,21 @@
         :title="$t('settings.tax_types.tax_per_item')"
         :description="$t('settings.tax_types.tax_setting_description')"
       />
+
+      <BaseDivider class="mt-8 mb-2" />
+
+      <BaseSwitchSection
+        v-model="taxIncludedField"
+        :title="$t('settings.tax_types.tax_included')"
+        :description="$t('settings.tax_types.tax_included_description')"
+      />
+
+      <BaseSwitchSection
+        v-if="taxIncludedField"
+        v-model="taxIncludedByDefaultField"
+        :title="$t('settings.tax_types.tax_included_by_default')"
+        :description="$t('settings.tax_types.tax_included_by_default_description')"
+      />
     </div>
   </BaseSettingCard>
 </template>
@@ -139,6 +154,61 @@ const taxPerItemField = computed({
   },
 })
 
+const taxIncludedSettings = reactive({
+  tax_included: 'NO',
+  tax_included_by_default: 'NO',
+})
+
+utils.mergeSettings(taxIncludedSettings, {
+  ...companyStore.selectedCompanySettings,
+})
+
+const taxIncludedField = computed({
+  get: () => {
+    return taxIncludedSettings.tax_included === 'YES'
+  },
+  set: async (newValue) => {
+    const value = newValue ? 'YES' : 'NO'
+    taxIncludedSettings.tax_included = value
+
+    if (!newValue) {
+      taxIncludedSettings.tax_included_by_default = 'NO'
+    }
+
+    let data = {
+      settings: {
+        ...taxIncludedSettings,
+      },
+    }
+
+    await companyStore.updateCompanySettings({
+      data,
+      message: 'general.setting_updated',
+    })
+  },
+})
+
+const taxIncludedByDefaultField = computed({
+  get: () => {
+    return taxIncludedSettings.tax_included_by_default === 'YES'
+  },
+  set: async (newValue) => {
+    const value = newValue ? 'YES' : 'NO'
+    taxIncludedSettings.tax_included_by_default = value
+
+    let data = {
+      settings: {
+        tax_included_by_default: taxIncludedSettings.tax_included_by_default,
+      },
+    }
+
+    await companyStore.updateCompanySettings({
+      data,
+      message: 'general.setting_updated',
+    })
+  },
+})
+
 function hasAtleastOneAbility() {
   return userStore.hasAbilities([
     abilities.DELETE_TAX_TYPE,