Adding support for retrieving a manga description.

include/openmg/backend/readmng.h

@@ -29,4 +29,8 @@ mg_backend_readmng_new (void);
 GListStore *
 mg_backend_readmng_get_featured_manga (MgBackendReadmng *self);
 
+void
+mg_backend_readmng_retrieve_manga_details (MgBackendReadmng *self,
+        MgManga *manga);
+
 G_END_DECLS

include/openmg/manga.h

@@ -6,9 +6,22 @@ G_BEGIN_DECLS;
 #define MG_TYPE_MANGA mg_manga_get_type()
 G_DECLARE_FINAL_TYPE (MgManga, mg_manga, MG, MANGA, GObject)
 
-char *mg_manga_get_image_url(MgManga *mg_manga);
-char *mg_manga_get_title(MgManga *mg_manga);
-char *mg_manga_get_id(MgManga *mg_manga);
+char *
+mg_manga_get_image_url (MgManga *mg_manga);
+char *
+mg_manga_get_title (MgManga *mg_manga);
+char *
+mg_manga_get_id (MgManga *mg_manga);
+char *
+mg_manga_get_id (MgManga *mg_manga);
+char *
+mg_manga_get_description (MgManga *mg_manga);
+void
+mg_manga_set_description (MgManga *mg_manga, const char *description);
+int
+mg_manga_has_details (MgManga *self);
+void
+mg_manga_details_recovered (MgManga *self);
 
 MgManga *mg_manga_new (const char *const image_url, const char *const title, const char *const id);
 

src/backend/readmng.c

@@ -1,9 +1,12 @@
 #include <libxml/HTMLparser.h>
 
 #include <openmg/backend/readmng.h>
+
 #include <openmg/util/soup.h>
 #include <openmg/util/regex.h>
 #include <openmg/util/xml.h>
+#include <openmg/util/string.h>
+
 #include <openmg/manga.h>
 
 typedef enum {
@@ -41,6 +44,9 @@ mg_backend_readmng_class_init (MgBackendReadmngClass *class) {
             mg_backend_readmng_properties);
 }
 
+static xmlDocPtr
+mg_backend_readmng_fetch_xml_details (MgBackendReadmng *self,
+        MgManga *manga);
 static xmlNodePtr
 mg_backend_readmng_retrieve_img_from_thumbnail (MgBackendReadmng *self, xmlNodePtr thumbnail);
 static xmlNodePtr
@@ -125,6 +131,70 @@ mg_backend_readmng_get_featured_manga (MgBackendReadmng *self) {
 
 }
 
+void
+mg_backend_readmng_retrieve_manga_details (MgBackendReadmng *self,
+        MgManga *manga) {
+    MgUtilXML *xml_utils;
+
+    xmlDocPtr html_document;
+    xmlNodePtr *movie_detail = NULL;
+    xmlXPathObjectPtr xpath_result = NULL;
+    xmlNodeSetPtr node_set = NULL;
+
+    size_t movie_detail_len = 0;
+
+    if (mg_manga_has_details (manga)) {
+        return;
+    }
+    xml_utils = mg_util_xml_new ();
+    html_document = mg_backend_readmng_fetch_xml_details (self,
+        manga);
+    xpath_result = mg_util_xml_get_nodes_xpath_expression (xml_utils,
+            html_document, "//li[@class]");
+    node_set = xpath_result->nodesetval;
+    if (!node_set) {
+        fprintf(stderr, "No match\n");
+        return;
+    }
+    for (int i = 0; i < node_set->nodeNr; i++) {
+        xmlNodePtr node = node_set->nodeTab[i];
+        movie_detail = mg_util_xml_loop_search_class (xml_utils,
+                node, movie_detail, "movie-detail", &movie_detail_len);
+    } 
+    if (movie_detail) {
+        mg_manga_set_description (manga,
+                (char *) xmlNodeGetContent (movie_detail[0]));
+    }
+    mg_manga_details_recovered (manga);
+}
+
+static xmlDocPtr
+mg_backend_readmng_fetch_xml_details (MgBackendReadmng *self,
+        MgManga *manga) {
+    MgUtilSoup *util_soup;
+    MgUtilString *string_util;
+
+    char *request_url;
+    char *manga_id;
+
+    size_t request_url_len;
+    size_t response_len = 0;
+
+
+    util_soup = mg_util_soup_new (); 
+    string_util = mg_util_string_new ();
+    manga_id = mg_manga_get_id (manga);
+    request_url_len = snprintf ( NULL, 0, "%s/%s/", self->base_url, manga_id);
+    request_url = mg_util_string_alloc_string (string_util, request_url_len); 
+    snprintf ( request_url, request_url_len+1, "%s/%s/", self->base_url, manga_id);
+
+    char *html_response = mg_util_soup_get_request (util_soup,
+            request_url, &response_len);
+    return htmlReadMemory (html_response, response_len, NULL, NULL,
+            HTML_PARSE_RECOVER | HTML_PARSE_NODEFDTD
+            | HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING );
+}
+
 static xmlDocPtr
 mg_backend_readmng_fetch_xml_main_page (MgBackendReadmng *self) {
     size_t size_response_text = 0;

src/manga.c

@@ -8,6 +8,8 @@ struct _MgManga {
     char *image_url;
     char *title;
     char *id;
+    char *description;
+    int has_details;
 };
 
 G_DEFINE_TYPE (MgManga, mg_manga, G_TYPE_OBJECT)
@@ -16,6 +18,7 @@ typedef enum {
     MG_MANGA_IMAGE_URL = 1,
     MG_MANGA_TITLE,
     MG_MANGA_ID,
+    MG_MANGA_DESCRIPTION,
     MG_MANGA_N_PROPERTIES
 } MgMangaProperties;
 
@@ -50,9 +53,15 @@ mg_manga_class_init (MgMangaClass *class) {
             G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
     manga_properties[MG_MANGA_ID] = g_param_spec_string ("id",
             "Id",
-            "Id of the manga",
+            "Id of the manga.",
             NULL,
             G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
+    manga_properties[MG_MANGA_DESCRIPTION] = g_param_spec_string (
+            "description",
+            "Description",
+            "Description of the manga.",
+            NULL,
+            G_PARAM_READWRITE);
 
     g_object_class_install_properties (object_class,
             MG_MANGA_N_PROPERTIES,
@@ -61,6 +70,17 @@ mg_manga_class_init (MgMangaClass *class) {
 
 static void
 mg_manga_init (MgManga *self) {
+    self->has_details = 0;
+}
+
+int
+mg_manga_has_details (MgManga *self) {
+    return self->has_details;
+}
+
+void
+mg_manga_details_recovered (MgManga *self) {
+    self->has_details = 1;
 }
 
 char *
@@ -93,6 +113,24 @@ mg_manga_get_title (MgManga *self) {
     return g_value_dup_string (&value);
 }
 
+char *
+mg_manga_get_description (MgManga *self) {
+    GValue value = G_VALUE_INIT;
+    g_value_init (&value, G_TYPE_STRING);
+    g_object_get_property (G_OBJECT (self),
+            "description",
+            &value);
+    return g_value_dup_string (&value);
+}
+
+void
+mg_manga_set_description (MgManga *self, const char *description) {
+    GValue value = G_VALUE_INIT;
+    g_value_init (&value, G_TYPE_STRING);
+    g_value_set_string (&value, description);
+    g_object_set_property (G_OBJECT (self), "description", &value);
+}
+
 static void
 mg_manga_set_property (GObject *object,
         guint property_id,
@@ -112,6 +150,10 @@ mg_manga_set_property (GObject *object,
             g_free (self->id);
             self->id = g_value_dup_string (value);
             break;
+        case MG_MANGA_DESCRIPTION:
+            g_free (self->description);
+            self->description = g_value_dup_string (value);
+            break;
         default:
             G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
             break;
@@ -134,6 +176,9 @@ mg_manga_get_property (GObject *object,
         case MG_MANGA_ID:
             g_value_set_string (value, self->id);
             break;
+        case MG_MANGA_DESCRIPTION:
+            g_value_set_string (value, self->description);
+            break;
         default:
             G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
             break;

src/view/detail_manga.c

@@ -3,6 +3,8 @@
 
 #include <openmg/manga.h>
 
+#include <openmg/backend/readmng.h>
+
 #include <openmg/util/xml.h>
 
 #include <openmg/view/picture.h>
@@ -10,19 +12,33 @@
 
 GtkBox *
 create_detail_view (MgManga *manga) {
+    MgBackendReadmng *readmng = mg_backend_readmng_new ();
     GtkBox *detail_view = GTK_BOX (gtk_box_new (GTK_ORIENTATION_VERTICAL, 0));
-    GtkBox *descriptive_box = GTK_BOX (gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0));
+    GtkBox *avatar_title_box = GTK_BOX (gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0));
     MgUtilXML *xml_util = mg_util_xml_new ();
     GtkLabel *manga_title = NULL;
+    GtkLabel *manga_description = NULL;
     GtkPicture *manga_image = create_picture_from_url (
             mg_manga_get_image_url(manga), 200);
     char *title_text = mg_util_xml_get_title_text (
             xml_util, mg_manga_get_title (manga));
+    char *description_text;
+
+    mg_backend_readmng_retrieve_manga_details (readmng, manga);
+
+    description_text = mg_manga_get_description (manga);
+
     manga_title = GTK_LABEL (gtk_label_new (title_text));
+    manga_description = GTK_LABEL (gtk_label_new (description_text));
+
     gtk_label_set_wrap (manga_title, 1);
+    gtk_label_set_wrap (manga_description, 1);
+
     gtk_label_set_use_markup (GTK_LABEL (manga_title), 1);
-    gtk_box_append (descriptive_box, GTK_WIDGET (manga_image));
-    gtk_box_append (descriptive_box, GTK_WIDGET (manga_title));
-    gtk_box_append (detail_view, GTK_WIDGET (descriptive_box));
+    gtk_box_append (avatar_title_box, GTK_WIDGET (manga_image));
+    gtk_box_append (avatar_title_box, GTK_WIDGET (manga_title));
+    gtk_box_append (detail_view, GTK_WIDGET (avatar_title_box));
+    gtk_box_append (detail_view, GTK_WIDGET (manga_description));
+
     return detail_view;
 }