1 files changed, 94 insertions, 1 deletions

diff --git a/src/administration.cpp b/src/administration.cpp
index 6ed7d63..95ae705 100644
--- a/src/administration.cpp
+++ b/src/administration.cpp
@@ -480,6 +480,23 @@ bool administration_is_project_valid(project data)
     return strlen(data.description) > 0;
 }
 
+char* administration_get_invoice_status_string(invoice* invoice)
+{
+    switch(invoice->status)
+    {
+        case invoice_status::INVOICE_CONCEPT: return "invoice.state.concept";
+        case invoice_status::INVOICE_SENT: return "invoice.state.sent";
+        case invoice_status::INVOICE_REMINDED: return "invoice.state.reminded";
+        case invoice_status::INVOICE_PAID: return "invoice.state.paid";
+        case invoice_status::INVOICE_EXPIRED: return "invoice.state.expired";
+        case invoice_status::INVOICE_CANCELLED: return "invoice.state.cancelled";
+        case invoice_status::INVOICE_REFUNDED: return "invoice.state.refunded";
+        case invoice_status::INVOICE_CORRECTED: return "invoice.state.corrected";
+        default: assert(0); break;
+    }
+    return "";
+}
+
 char* administration_project_get_status_string(project data)
 {
     switch(data.state)
@@ -948,27 +965,103 @@ bool administration_is_invoice_valid(invoice* invoice)
     return true;
 }
 
+bool administration_update_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, "") == 0)
+    {
+        contact new_contact = administration_create_empty_contact();
+        strops_copy(inv->customer_id, new_contact.id, sizeof(new_contact.id));
+        strops_copy(inv->customer.id, new_contact.id, sizeof(new_contact.id));
+
+        memcpy(&new_contact, &inv->customer, sizeof(contact));
+        administration_create_contact(new_contact);
+
+        inv->customer = new_contact;
+    }
+
+    // Addressee is same as customer.
+    if (!inv->is_triangulation)
+    {
+        memcpy(&inv->addressee, &inv->customer, sizeof(contact));
+    }
+
+    list_iterator_start(&g_administration.invoices);
+    while (list_iterator_hasnext(&g_administration.invoices)) {
+        invoice* c = (invoice *)list_iterator_next(&g_administration.invoices);
+
+        if (strcmp(c->id, inv->id) == 0)
+        {
+            memcpy(c, inv, sizeof(invoice));
+            list_iterator_stop(&g_administration.invoices);
+            return true;
+        }
+    }
+    list_iterator_stop(&g_administration.invoices);
+    return false;
+}
+
 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, ""))
+    if (strcmp(inv->customer_id, "") == 0)
     {
         contact new_contact = administration_create_empty_contact();
+        strops_copy(inv->customer_id, new_contact.id, sizeof(new_contact.id));
         strops_copy(inv->customer.id, new_contact.id, sizeof(new_contact.id));
 
         memcpy(&new_contact, &inv->customer, sizeof(contact));
         administration_create_contact(new_contact);
+
+        inv->customer = new_contact;
+    }
+
+    // Addressee is same as customer.
+    if (!inv->is_triangulation)
+    {
+        memcpy(&inv->addressee, &inv->customer, sizeof(contact));
     }
     
     invoice* new_inv = (invoice*)malloc(sizeof(invoice));
     memcpy((void*)new_inv, (void*)inv, sizeof(invoice));
 
+    new_inv->status = invoice_status::INVOICE_CONCEPT;
+
     list_append(&g_administration.invoices, new_inv);
 
     g_administration.next_id++;
     g_administration.next_sequence_number++;
 
     return true;
+}
+
+u32 administration_get_invoice_count()
+{
+    return list_size(&g_administration.invoices);
+}
+
+u32 administration_get_invoices(u32 page_index, u32 page_size, invoice* buffer)
+{
+    assert(buffer);
+
+    u32 write_cursor = 0;
+
+    u32 read_start = page_index * page_size;
+    
+    list_iterator_start(&g_administration.invoices);
+    while (list_iterator_hasnext(&g_administration.invoices)) {
+        invoice c = *(invoice *)list_iterator_next(&g_administration.invoices);
+
+        if (g_administration.invoices.iter_pos <= read_start) continue;
+
+        buffer[write_cursor++] = c;
+        if (write_cursor >= page_size) break;
+    }
+    list_iterator_stop(&g_administration.invoices);
+
+    return write_cursor;
 }
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