add initial work on file pas backend, using db(3).

svn path=/trunk/; revision=2167

2 files changed, 101 insertions, 4 deletions

diff --git a/ChangeLog b/ChangeLog
index e22f47993f..11deaea7df 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2000-03-26  Chris Toshok  <toshok@laptoph.xtoph.org>
+
+	* addressbook/backend/pas/pas-backend-file.c
+	(pas_backend_file_process_create_card): add db calls to flesh out
+	the interface.  hardcoded id that needs to change, once we decide
+	how we're going to create it.
+	(pas_backend_file_process_remove_card): add db calls to flesh out
+	the interface.
+	(pas_backend_file_process_modify_card): likewise
+	(pas_backend_file_process_check_connection): likewise
+	(pas_backend_file_get_vcard): likewise
+	(pas_backend_file_load_uri): likewise
+
 2000-03-26  Christopher James Lahey  <clahey@helixcode.com>
 
 	* addressbook/backend/ebook/e-book.c: Set the card id properly
diff --git a/addressbook/backend/pas/pas-backend-file.c b/addressbook/backend/pas/pas-backend-file.c
index ad5679c7e1..93e92df76a 100644
--- a/addressbook/backend/pas/pas-backend-file.c
+++ b/addressbook/backend/pas/pas-backend-file.c
@@ -1,3 +1,4 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
 /*
  * Author:
  *   Nat Friedman (nat@helixcode.com)
@@ -6,6 +7,7 @@
  */
   
 #include <gtk/gtksignal.h>
+#include <fcntl.h>
 #include <db.h>
 
 #include <pas-backend-file.h>
@@ -16,6 +18,7 @@ static PASBackendClass *pas_backend_file_parent_class;
 struct _PASBackendFilePrivate {
 	GList    *clients;
 	gboolean  loaded;
+	DB       *file_db;
 };
 
 static void
@@ -23,8 +26,24 @@ pas_backend_file_process_create_card (PASBackend *backend,
 				      PASBook    *book,
 				      PASRequest *req)
 {
+	PASBackendFile *bf = PAS_BACKEND_FILE (backend);
+	DB             *db = bf->priv->file_db;
+	DBT            id_dbt, vcard_dbt;
+	int            db_error;
+
+	id_dbt.data = "foo"; /* XXX create unique id here */
+	id_dbt.size = strlen(id_dbt.data);
+
+	vcard_dbt.data = (void*)req->vcard;
+	vcard_dbt.size = strlen(req->vcard);
+
+	db_error = db->put(db, &id_dbt, &vcard_dbt, 0);
+
 	pas_book_respond_create (
-		book, Evolution_BookListener_Success);
+		book,
+		(db_error == 0 
+		 ? Evolution_BookListener_Success 
+		 : Evolution_BookListener_CardNotFound));
 
 	g_free (req->vcard);
 }
@@ -34,8 +53,21 @@ pas_backend_file_process_remove_card (PASBackend *backend,
 				      PASBook    *book,
 				      PASRequest *req)
 {
+	PASBackendFile *bf = PAS_BACKEND_FILE (backend);
+	DB             *db = bf->priv->file_db;
+	DBT            id_dbt;
+	int            db_error;
+
+	id_dbt.data = (void*)req->id;
+	id_dbt.size = strlen(req->id);
+
+	db_error = db->del(db, &id_dbt, 0);
+
 	pas_book_respond_remove (
-		book, Evolution_BookListener_Success);
+		book,
+		(db_error == 0 
+		 ? Evolution_BookListener_Success 
+		 : Evolution_BookListener_CardNotFound));
 
 	g_free (req->id);
 }
@@ -45,8 +77,24 @@ pas_backend_file_process_modify_card (PASBackend *backend,
 				      PASBook    *book,
 				      PASRequest *req)
 {
+	PASBackendFile *bf = PAS_BACKEND_FILE (backend);
+	DB             *db = bf->priv->file_db;
+	DBT            id_dbt, vcard_dbt;
+	int            db_error;
+
+	id_dbt.data = (void*)req->id;
+	id_dbt.size = strlen(req->id);
+
+	vcard_dbt.data = (void*)req->vcard;
+	vcard_dbt.size = strlen(req->vcard);
+
+	db_error = db->put(db, &id_dbt, &vcard_dbt, 0);
+
 	pas_book_respond_modify (
-		book, Evolution_BookListener_Success);
+		book,
+		(db_error == 0 
+		 ? Evolution_BookListener_Success 
+		 : Evolution_BookListener_CardNotFound));
 
 	g_free (req->vcard);
 }
@@ -56,7 +104,9 @@ pas_backend_file_process_check_connection (PASBackend *backend,
 					   PASBook    *book,
 					   PASRequest *req)
 {
-	pas_book_report_connection (book, TRUE);
+	PASBackendFile *bf = PAS_BACKEND_FILE (backend);
+
+	pas_book_report_connection (book, bf->priv->file_db != NULL);
 }
 
 static void
@@ -104,6 +154,31 @@ pas_backend_file_book_destroy_cb (PASBook *book)
 static char *
 pas_backend_file_get_vcard (PASBook *book, const char *id)
 {
+	PASBackendFile *bf;
+	DBT            id_dbt, vcard_dbt;
+	DB             *db;
+	int            db_error;
+
+	bf = PAS_BACKEND_FILE (pas_book_get_backend (book));
+	db = bf->priv->file_db;
+
+	id_dbt.data = (void*)id;
+	id_dbt.size = strlen(id);
+
+	db_error = db->get(db, &id_dbt, &vcard_dbt, 0);
+	if (db_error == 0) {
+		/* success */
+		return g_strndup(vcard_dbt.data, vcard_dbt.size);
+	}
+	else if (db_error == 1) {
+		/* key was not in file */
+		return g_strdup(""); /* XXX */
+	}
+	else /* if (db_error < 0)*/ {
+		/* error */
+		return g_strdup(""); /* XXX */
+	}
+
 	return g_strdup ("blah blah blah");
 }
 
@@ -125,6 +200,15 @@ pas_backend_file_load_uri (PASBackend             *backend,
 	g_assert (bf->priv->loaded == FALSE);
 
 	filename = pas_backend_file_extract_path_from_uri (uri);
+
+	bf->priv->file_db = dbopen (filename, O_RDWR | O_CREAT, 0666, DB_HASH, NULL);
+
+	if (bf->priv->file_db != NULL)
+		bf->priv->loaded = TRUE;
+	else
+		g_warning("pas_backend_file_load_uri failed for '%s'\n", filename);
+
+	g_free (filename);
 }
 
 static void