path: root/plugins/bbdb/bbdb.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 *
 *  An Evolution EPlugin that automatically populates your addressbook
 *  as you reply to messages.  Inspired by an Emacs contact management
 *  tool called The Insidious Big Brother Database, a jwz joint.
 *
 *  Nat Friedman
 *  22 October 2004
 *  Boston
 *
 *  Copyright (C) 2004 Novell, Inc.
 *
 *  Permission is hereby granted, free of charge, to any person
 *  obtaining a copy of this software and associated documentation
 *  files (the "Software"), to deal in the Software without
 *  restriction, including without limitation the rights to use, copy,
 *  modify, merge, publish, distribute, sublicense, and/or sell copies
 *  of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be
 *  included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 *  DEALINGS IN THE SOFTWARE.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <string.h>

#include <libebook/e-book.h>
#include <libedataserverui/e-source-combo-box.h>

#include <e-util/e-config.h>
#include <mail/em-config.h>
#include <mail/em-event.h>
#include <camel/camel-mime-message.h>

#include "bbdb.h"

/* Plugin hooks */
int e_plugin_lib_enable (EPluginLib *ep, int enable);
void bbdb_handle_reply (EPlugin *ep, EMEventTargetMessage *target);
GtkWidget *bbdb_page_factory (EPlugin *ep, EConfigHookItemFactoryData *hook_data);
GtkWidget *bbdb_page_factory (EPlugin *ep, EConfigHookItemFactoryData *hook_data);

/* For internal use */
struct bbdb_stuff {
    EMConfigTargetPrefs *target;
    ESourceList *source_list;

    GtkWidget *option_menu;
    GtkWidget *gaim_option_menu;
    GtkWidget *check;
    GtkWidget *check_gaim;
};

/* Static forward declarations */
static gboolean bbdb_timeout (gpointer data);
static void bbdb_do_it (EBook *book, const char *name, const char *email);
static void add_email_to_contact (EContact *contact, const char *email);
static void enable_toggled_cb (GtkWidget *widget, gpointer data);
static void source_changed_cb (ESourceComboBox *source_combo_box, struct bbdb_stuff *stuff);
static GtkWidget *create_addressbook_option_menu (struct bbdb_stuff *stuff, int type);
static void cleanup_cb (GObject *o, gpointer data);

static ESource *
find_esource_by_uri (ESourceList *source_list, const gchar *target_uri)
{
    GSList *groups;

    /* XXX This would be unnecessary if the plugin had stored
     *     the addressbook's UID instead of the URI in GConf.
     *     Too late to change it now, I suppose. */

    if (source_list == NULL || target_uri == NULL)
        return NULL;

    groups = e_source_list_peek_groups (source_list);

    while (groups != NULL) {
        GSList *sources;

        sources = e_source_group_peek_sources (groups->data);

        while (sources != NULL) {
            gchar *uri;
            gboolean match;

            uri = e_source_get_uri (sources->data);
            match = (strcmp (uri, target_uri) == 0);
            g_free (uri);

            if (match)
                return sources->data;

            sources = g_slist_next (sources);
        }

        groups = g_slist_next (groups);
    }

    return NULL;
}

int
e_plugin_lib_enable (EPluginLib *ep, int enable)
{
    /* Start up the plugin. */
    if (enable) {
        fprintf (stderr, "BBDB spinning up...\n");

        if (bbdb_check_gaim_enabled ())
            bbdb_sync_buddy_list_check ();

        g_timeout_add (BBDB_BLIST_CHECK_INTERVAL,
                   (GSourceFunc) bbdb_timeout,
                   NULL);
    }

    return 0;
}

static gboolean
bbdb_timeout (gpointer data)
{
    if (bbdb_check_gaim_enabled ())
        bbdb_sync_buddy_list_check ();

    return TRUE;
}

/* Code to populate addressbook when you reply to a mail follows */

void
bbdb_handle_reply (EPlugin *ep, EMEventTargetMessage *target)
{
    const CamelInternetAddress *cia;
    EBook      *book = NULL;
    int         i;

    /* Open the addressbook */
    book = bbdb_open_addressbook (AUTOMATIC_CONTACTS_ADDRESSBOOK);
    if (book == NULL)
        return;

    cia = camel_mime_message_get_from (target->message);
    if (cia) {
        for (i = 0; i < camel_address_length (CAMEL_ADDRESS (cia)); i ++) {
            const char *name=NULL, *email=NULL;
            if (!(camel_internet_address_get (cia, i, &name, &email)))
                continue;
            bbdb_do_it (book, name, email);
        }
    }

    /* If this is a reply-all event, process To: and Cc: also. */
    if (((EEventTarget *) target)->mask & EM_EVENT_MESSAGE_REPLY_ALL) {
        g_object_unref (G_OBJECT (book));
        return;
    }

    cia = camel_mime_message_get_recipients (target->message, CAMEL_RECIPIENT_TYPE_TO);
    if (cia) {
        for (i = 0; i < camel_address_length (CAMEL_ADDRESS (cia)); i ++) {
            const char *name=NULL, *email=NULL;
            if (!(camel_internet_address_get (cia, i, &name, &email)))
                continue;
            bbdb_do_it (book, name, email);
        }
    }

    cia = camel_mime_message_get_recipients (target->message, CAMEL_RECIPIENT_TYPE_CC);
    if (cia) {
        for (i = 0; i < camel_address_length (CAMEL_ADDRESS (cia)); i ++) {
            const char *name=NULL, *email=NULL;
            if (!(camel_internet_address_get (cia, i, &name, &email)))
                continue;
            bbdb_do_it (book, name, email);
        }
    }

    g_object_unref (G_OBJECT (book));
}

static void
bbdb_do_it (EBook *book, const char *name, const char *email)
{
    char *query_string, *delim, *temp_name = NULL;
    EBookQuery *query;
    GList *contacts, *l;
    EContact *contact;
    gboolean status;
    GError *error = NULL;

    g_return_if_fail (book != NULL);

    if (email == NULL || !strcmp (email, ""))
        return;

    if ((delim = strchr (email, '@')) == NULL)
        return;

    /* don't miss the entry if the mail has only e-mail id and no name */
    if (name == NULL || ! strcmp (name, "")) {
        temp_name = g_strndup (email, delim - email);
        name = temp_name;
    }

    /* If any contacts exists with this email address, don't do anything */
    query_string = g_strdup_printf ("(contains \"email\" \"%s\")", email);
    query = e_book_query_from_string (query_string);
    g_free (query_string);

    status = e_book_get_contacts (book, query, &contacts, NULL);
    if (query)
        e_book_query_unref (query);
    if (contacts != NULL) {
        for (l = contacts; l != NULL; l = l->next)
            g_object_unref ((GObject *)l->data);
        g_list_free (contacts);
        g_free (temp_name);

        return;
    }

    if (g_utf8_strchr (name, -1, '\"')) {
        GString *tmp = g_string_new (name);
        gchar *p;

        while (p = g_utf8_strchr (tmp->str, tmp->len, '\"'), p)
            tmp = g_string_erase (tmp, p - tmp->str, 1);

        g_free (temp_name);
        temp_name = g_string_free (tmp, FALSE);
        name = temp_name;
    }

    /* If a contact exists with this name, add the email address to it. */
    query_string = g_strdup_printf ("(is \"full_name\" \"%s\")", name);
    query = e_book_query_from_string (query_string);
    g_free (query_string);

    status = e_book_get_contacts (book, query, &contacts, NULL);
    if (query)
        e_book_query_unref (query);
    if (contacts != NULL) {

        /* FIXME: If there's more than one contact with this
           name, just give up; we're not smart enough for
           this. */
        if (contacts->next != NULL) {
            for (l = contacts; l != NULL; l = l->next)
                g_object_unref ((GObject *)l->data);
            g_list_free (contacts);
            g_free (temp_name);
            return;
        }

        contact = (EContact *) contacts->data;
        add_email_to_contact (contact, email);
        if (! e_book_commit_contact (book, contact, &error)) {
            g_warning ("bbdb: Could not modify contact: %s\n", error->message);
            g_error_free (error);
        }

        for (l = contacts; l != NULL; l = l->next)
            g_object_unref ((GObject *)l->data);
        g_list_free (contacts);

        g_free (temp_name);
        return;
    }

    /* Otherwise, create a new contact. */
    contact = e_contact_new ();
    e_contact_set (contact, E_CONTACT_FULL_NAME, (gpointer) name);
    add_email_to_contact (contact, email);
    g_free (temp_name);

    if (! e_book_add_contact (book, contact, &error)) {
        g_warning ("bbdb: Failed to add new contact: %s\n", error->message);
        g_error_free (error);
        return;
    }

    g_object_unref (G_OBJECT (contact));
}

EBook *
bbdb_open_addressbook (int type)
{
    GConfClient *gconf;
    char        *uri;
    EBook       *book = NULL;

    gboolean     status;
    GError      *error = NULL;

    gconf = gconf_client_get_default ();

    /* Open the appropriate addresbook. */
    if (type == GAIM_ADDRESSBOOK)
        uri = gconf_client_get_string (gconf, GCONF_KEY_WHICH_ADDRESSBOOK_GAIM, NULL);
    else
        uri = gconf_client_get_string (gconf, GCONF_KEY_WHICH_ADDRESSBOOK, NULL);
    g_object_unref (G_OBJECT (gconf));

    if (uri == NULL)
        book = e_book_new_system_addressbook (&error);
    else {
        book = e_book_new_from_uri (uri, &error);
        g_free (uri);
    }

    if (book == NULL) {
        g_warning ("bbdb: failed to get addressbook: %s\n", error->message);
        g_error_free (error);
        return NULL;
    }

    status = e_book_open (book, FALSE, &error);
    if (! status) {
        g_warning ("bbdb: failed to open addressbook: %s\n", error->message);
        g_error_free (error);
        return NULL;
    }

    return book;
}

gboolean
bbdb_check_gaim_enabled (void)
{
    GConfClient *gconf;
    gboolean     gaim_enabled;

    gconf = gconf_client_get_default ();
    gaim_enabled = gconf_client_get_bool (gconf, GCONF_KEY_ENABLE_GAIM, NULL);

    g_object_unref (G_OBJECT (gconf));

    return gaim_enabled;
}

static void
add_email_to_contact (EContact *contact, const char *email)
{
    GList *emails;

    emails = e_contact_get (contact, E_CONTACT_EMAIL);
    emails = g_list_append (emails, (gpointer) email);
    e_contact_set (contact, E_CONTACT_EMAIL, (gpointer) emails);
}



/* Code to implement the configuration user interface follows */

static void
enable_toggled_cb (GtkWidget *widget, gpointer data)
{
    struct bbdb_stuff *stuff = (struct bbdb_stuff *) data;
    gboolean active;
    ESource *selected_source;

    active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));

    /* Save the new setting to gconf */
    gconf_client_set_bool (stuff->target->gconf, GCONF_KEY_ENABLE, active, NULL);

    gtk_widget_set_sensitive (stuff->option_menu, active);
    if (active && !gconf_client_get_string (stuff->target->gconf, GCONF_KEY_WHICH_ADDRESSBOOK, NULL)) {
        const gchar *uri = NULL;
        GError *error = NULL;

        selected_source = e_source_combo_box_get_active (
            E_SOURCE_COMBO_BOX (stuff->option_menu));
        if (selected_source != NULL)
            uri = e_source_get_uri (selected_source);

        gconf_client_set_string (
            stuff->target->gconf,
            GCONF_KEY_WHICH_ADDRESSBOOK,
            uri, &error);

        if (error != NULL) {
            g_warning ("%s", error->message);
            g_error_free (error);
        }
    }
}

static void
enable_gaim_toggled_cb (GtkWidget *widget, gpointer data)
{
    struct bbdb_stuff *stuff = (struct bbdb_stuff *) data;
    gboolean active;
    ESource *selected_source;

    active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));

    /* Save the new setting to gconf */
    gconf_client_set_bool (stuff->target->gconf, GCONF_KEY_ENABLE_GAIM, active, NULL);

    gtk_widget_set_sensitive (stuff->gaim_option_menu, active);
    if (active && !gconf_client_get_string (stuff->target->gconf, GCONF_KEY_WHICH_ADDRESSBOOK_GAIM, NULL)) {
        selected_source = e_source_combo_box_get_active (
            E_SOURCE_COMBO_BOX (stuff->gaim_option_menu));
        gconf_client_set_string (stuff->target->gconf, GCONF_KEY_WHICH_ADDRESSBOOK_GAIM, e_source_get_uri (selected_source), NULL);
    }
}

static void
synchronize_button_clicked_cb (GtkWidget *button)
{
    bbdb_sync_buddy_list ();
}

static void
source_changed_cb (ESourceComboBox *source_combo_box,
                   struct bbdb_stuff *stuff)
{
    ESource *source;
    GError *error = NULL;

    source = e_source_combo_box_get_active (source_combo_box);
    g_return_if_fail (source != NULL);

    gconf_client_set_string (
        stuff->target->gconf,
        GCONF_KEY_WHICH_ADDRESSBOOK,
        e_source_get_uri (source), &error);

    if (error != NULL) {
        g_warning ("%s", error->message);
        g_error_free (error);
    }
}

static void
gaim_source_changed_cb (ESourceComboBox *source_combo_box,
                        struct bbdb_stuff *stuff)
{
    ESource *source;
    GError *error = NULL;

    source = e_source_combo_box_get_active (source_combo_box);
    g_return_if_fail (source != NULL);

    gconf_client_set_string (
        stuff->target->gconf,
        GCONF_KEY_WHICH_ADDRESSBOOK_GAIM,
        e_source_get_uri (source), &error);

    if (error != NULL) {
        g_warning ("%s", error->message);
        g_error_free (error);
    }
}

static GtkWidget *
create_addressbook_option_menu (struct bbdb_stuff *stuff, int type)
{
    GtkWidget   *combo_box;
    ESourceList *source_list;
    ESource     *selected_source;
    char        *selected_source_uri;

    GConfClient *gconf = stuff->target->gconf;

    source_list = e_source_list_new_for_gconf (gconf, "/apps/evolution/addressbook/sources");
    combo_box = e_source_combo_box_new (source_list);

    if (type == GAIM_ADDRESSBOOK)
        selected_source_uri = gconf_client_get_string (gconf, GCONF_KEY_WHICH_ADDRESSBOOK_GAIM, NULL);
    else
        selected_source_uri = gconf_client_get_string (gconf, GCONF_KEY_WHICH_ADDRESSBOOK, NULL);
    selected_source = find_esource_by_uri (
        source_list, selected_source_uri);
    g_free (selected_source_uri);

    if (selected_source != NULL)
        e_source_combo_box_set_active (
            E_SOURCE_COMBO_BOX (combo_box), selected_source);

    gtk_widget_show (combo_box);

    stuff->source_list = source_list;

    return combo_box;
}

GtkWidget *
bbdb_page_factory (EPlugin *ep, EConfigHookItemFactoryData *hook_data)
{
    struct bbdb_stuff *stuff;
    EMConfigTargetPrefs *target = (EMConfigTargetPrefs *) hook_data->config->target;
    GtkWidget *page;
    GtkWidget *tab_label;
    GtkWidget *frame;
    GtkWidget *frame_label;
    GtkWidget *padding_label;
    GtkWidget *hbox;
    GtkWidget *inner_vbox;
    GtkWidget *check;
    GtkWidget *option;
    GtkWidget *gaim_option;
    GtkWidget *check_gaim;
    GtkWidget *label;
    GtkWidget *gaim_label;
    GtkWidget *button;
    gchar *str;

    /* A structure to pass some stuff around */
    stuff = g_new0 (struct bbdb_stuff, 1);
    stuff->target = target;

    /* Create a new notebook page */
    page = gtk_vbox_new (FALSE, 0);
    GTK_CONTAINER (page)->border_width = 12;
    tab_label = gtk_label_new (_("Automatic Contacts"));
    gtk_notebook_append_page (GTK_NOTEBOOK (hook_data->parent), page, tab_label);

    /* Frame */
    frame = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (page), frame, FALSE, FALSE, 0);

    /* "Automatic Contacts" */
    frame_label = gtk_label_new ("");
    str = g_strdup_printf ("<span weight=\"bold\">%s</span>", _("Automatic Contacts"));
    gtk_label_set_markup (GTK_LABEL (frame_label), str);
    g_free (str);
    GTK_MISC (frame_label)->xalign = 0.0;
    gtk_box_pack_start (GTK_BOX (frame), frame_label, FALSE, FALSE, 0);

    /* Indent/padding */
    hbox = gtk_hbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (frame), hbox, FALSE, TRUE, 0);
    padding_label = gtk_label_new ("");
    gtk_box_pack_start (GTK_BOX (hbox), padding_label, FALSE, FALSE, 0);
    inner_vbox = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (hbox), inner_vbox, FALSE, FALSE, 0);

    /* Enable BBDB checkbox */
    check = gtk_check_button_new_with_mnemonic (_("_Automatically create entries in the addressbook when responding to messages"));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), gconf_client_get_bool (target->gconf, GCONF_KEY_ENABLE, NULL));
    g_signal_connect (GTK_TOGGLE_BUTTON (check), "toggled", G_CALLBACK (enable_toggled_cb), stuff);
    gtk_box_pack_start (GTK_BOX (inner_vbox), check, FALSE, FALSE, 0);
    stuff->check = check;

    label = gtk_label_new (_("Select Address book for Automatic Contacts"));
    gtk_box_pack_start (GTK_BOX (inner_vbox), label, FALSE, FALSE, 0);

    /* Source selection option menu */
    option = create_addressbook_option_menu (stuff, AUTOMATIC_CONTACTS_ADDRESSBOOK);
    g_signal_connect (option, "changed", G_CALLBACK (source_changed_cb), stuff);
    gtk_widget_set_sensitive (option, gconf_client_get_bool (target->gconf, GCONF_KEY_ENABLE, NULL));
    gtk_box_pack_start (GTK_BOX (inner_vbox), option, FALSE, FALSE, 0);
    stuff->option_menu = option;

    /* "Instant Messaging Contacts" */
    frame = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (page), frame, TRUE, TRUE, 24);

    frame_label = gtk_label_new ("");
    str = g_strdup_printf ("<span weight=\"bold\">%s</span>", _("Instant Messaging Contacts"));
    gtk_label_set_markup (GTK_LABEL (frame_label), str);
    g_free (str);
    GTK_MISC (frame_label)->xalign = 0.0;
    gtk_box_pack_start (GTK_BOX (frame), frame_label, FALSE, FALSE, 0);

    /* Indent/padding */
    hbox = gtk_hbox_new (FALSE, 12);
    gtk_box_pack_start (GTK_BOX (frame), hbox, FALSE, TRUE, 0);
    padding_label = gtk_label_new ("");
    gtk_box_pack_start (GTK_BOX (hbox), padding_label, FALSE, FALSE, 0);
    inner_vbox = gtk_vbox_new (FALSE, 6);
    gtk_box_pack_start (GTK_BOX (hbox), inner_vbox, FALSE, FALSE, 0);

    /* Enable Gaim Checkbox */
    check_gaim = gtk_check_button_new_with_mnemonic (_("Periodically synchronize contact information and images from Pidgin buddy list"));
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_gaim), gconf_client_get_bool (target->gconf, GCONF_KEY_ENABLE_GAIM, NULL));
    g_signal_connect (GTK_TOGGLE_BUTTON (check_gaim), "toggled", G_CALLBACK (enable_gaim_toggled_cb), stuff);
    gtk_box_pack_start (GTK_BOX (inner_vbox), check_gaim, FALSE, FALSE, 0);
    stuff->check_gaim = check_gaim;

    gaim_label = gtk_label_new (_("Select Address book for Pidgin buddy list"));
    gtk_box_pack_start (GTK_BOX (inner_vbox), gaim_label, FALSE, FALSE, 0);

    /* Gaim Source Selection Option Menu */
    gaim_option = create_addressbook_option_menu (stuff, GAIM_ADDRESSBOOK);
    g_signal_connect (gaim_option, "changed", G_CALLBACK (gaim_source_changed_cb), stuff);
    gtk_widget_set_sensitive (gaim_option, gconf_client_get_bool (target->gconf, GCONF_KEY_ENABLE_GAIM, NULL));
    gtk_box_pack_start (GTK_BOX (inner_vbox), gaim_option, FALSE, FALSE, 0);
    stuff->gaim_option_menu = gaim_option;

    /* Synchronize now button. */
    button = gtk_button_new_with_mnemonic (_("Synchronize with _buddy list now"));
    g_signal_connect (GTK_BUTTON (button), "clicked", G_CALLBACK (synchronize_button_clicked_cb), stuff);
    gtk_box_pack_start (GTK_BOX (inner_vbox), button, FALSE, FALSE, 0);

    /* Clean up */
    g_signal_connect (page, "destroy", G_CALLBACK (cleanup_cb), stuff);

    gtk_widget_show_all (page);

    return page;
}

static void
cleanup_cb (GObject *o, gpointer data)
{
    struct bbdb_stuff *stuff = data;

    g_object_unref (stuff->source_list);
    g_free (stuff);
}