1 files changed, 77 insertions, 2 deletions

diff --git a/src/administration.cpp b/src/administration.cpp
index 2e16775..6ed7d63 100644
--- a/src/administration.cpp
+++ b/src/administration.cpp
@@ -268,6 +268,8 @@ static void administration_create_debug_data()
     strops_copy(g_administration.company_info.address.address1, "Keerderstraat 81", sizeof(g_administration.company_info.address.address1));
     strops_copy(g_administration.company_info.address.address2, "6226XW Maastricht", sizeof(g_administration.company_info.address.address2));
     strops_copy(g_administration.company_info.address.country_code, "NL", sizeof(g_administration.company_info.address.country_code));
+    strops_copy(g_administration.company_info.taxid, "123", sizeof(g_administration.company_info.taxid));
+    strops_copy(g_administration.company_info.businessid, "123", sizeof(g_administration.company_info.businessid));
 }
 
 void administration_create()
@@ -275,6 +277,7 @@ void administration_create()
     g_administration.next_id = 1;
     g_administration.next_sequence_number = 1;
 
+    list_init(&g_administration.invoices);
     list_init(&g_administration.contacts);
     list_init(&g_administration.projects);
     list_init(&g_administration.tax_brackets);
@@ -291,6 +294,7 @@ void administration_create()
 
 void administration_destroy()
 {
+    list_destroy(&g_administration.invoices);
     list_destroy(&g_administration.contacts);
     list_destroy(&g_administration.projects);
     list_destroy(&g_administration.tax_brackets);
@@ -835,6 +839,23 @@ static bool administration_get_tax_bracket_by_id(country_tax_bracket* buffer, ch
     return false;
 }
 
+static void administration_recalculate_invoice_totals(invoice* invoice)
+{
+    invoice->tax = 0.0f;
+    invoice->total = 0.0f;
+    invoice->net = 0.0f;
+
+    list_iterator_start(&invoice->billing_items);
+    while (list_iterator_hasnext(&invoice->billing_items)) {
+        billing_item* c = (billing_item *)list_iterator_next(&invoice->billing_items);
+
+        invoice->tax += c->tax;
+        invoice->total += c->total;
+        invoice->net += c->net;
+    }
+    list_iterator_stop(&invoice->billing_items);
+}
+
 static void administration_recalculate_billing_item_totals(billing_item* item)
 {
     if (item->amount_is_percentage)
@@ -867,6 +888,23 @@ static void administration_recalculate_billing_item_totals(billing_item* item)
     item->total = item->net + item->tax;
 }
 
+bool administration_remove_billing_item_from_invoice(invoice* invoice, billing_item item)
+{
+    list_iterator_start(&invoice->billing_items);
+    while (list_iterator_hasnext(&invoice->billing_items)) {
+        billing_item* c = (billing_item *)list_iterator_next(&invoice->billing_items);
+
+        if (strcmp(c->id, item.id) == 0) {
+            list_iterator_stop(&invoice->billing_items);
+            list_delete(&invoice->billing_items, c);
+            return true;
+        }
+    }
+    list_iterator_stop(&invoice->billing_items);
+
+    return false;
+}
+
 bool administration_update_billing_item_of_invoice(invoice* invoice, billing_item item)
 {
     list_iterator_start(&invoice->billing_items);
@@ -874,9 +912,11 @@ bool administration_update_billing_item_of_invoice(invoice* invoice, billing_ite
         billing_item* c = (billing_item *)list_iterator_next(&invoice->billing_items);
 
         if (strcmp(c->id, item.id) == 0) {
-            memcpy(c, &item, sizeof(billing_item));
-            administration_recalculate_billing_item_totals(c);
+            memcpy(c, &item, sizeof(billing_item));      
             list_iterator_stop(&invoice->billing_items);
+
+            administration_recalculate_billing_item_totals(c);
+            administration_recalculate_invoice_totals(invoice);
             return true;
         }
     }
@@ -896,4 +936,39 @@ void administration_invoice_set_currency(invoice* invoice, char* currency)
         strops_copy(c->currency, currency, CURRENCY_LENGTH);
     }
     list_iterator_stop(&invoice->billing_items);
+}
+
+bool administration_is_invoice_valid(invoice* invoice)
+{
+    if (list_size(&invoice->billing_items) == 0) return false;
+    if (invoice->is_triangulation && !administration_is_contact_valid(invoice->addressee)) return false;
+    if (!administration_is_contact_valid(invoice->customer)) return false;
+    if (!administration_is_contact_valid(invoice->supplier)) return false;
+
+    return true;
+}
+
+bool administration_add_invoice(invoice* inv)
+{
+    if (!administration_is_invoice_valid(inv)) return false;
+
+    // Invoice is valid but customer id is unset means we need to register a new contact.
+    if (strcmp(inv->customer_id, ""))
+    {
+        contact new_contact = administration_create_empty_contact();
+        strops_copy(inv->customer.id, new_contact.id, sizeof(new_contact.id));
+
+        memcpy(&new_contact, &inv->customer, sizeof(contact));
+        administration_create_contact(new_contact);
+    }
+    
+    invoice* new_inv = (invoice*)malloc(sizeof(invoice));
+    memcpy((void*)new_inv, (void*)inv, sizeof(invoice));
+
+    list_append(&g_administration.invoices, new_inv);
+
+    g_administration.next_id++;
+    g_administration.next_sequence_number++;
+
+    return true;
 }
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