feat(graph): display social platform icons

Makefile

@@ -122,6 +122,7 @@ TEST_OSINT_EXECUTION_DAO := tests/test_osint_execution_dao
 TEST_OSINT_EXECUTION_INTEGRITY := tests/test_osint_execution_integrity
 TEST_EVIDENCE_RECLASSIFICATION := tests/test_evidence_reclassification
 TEST_SOCIAL_ACCOUNT_SERVICE := tests/test_social_account_service
+TEST_SOCIAL_PLATFORM := tests/test_social_platform
 
 all: $(TARGET)
 
@@ -623,6 +624,11 @@ $(TEST_SOCIAL_ACCOUNT_SERVICE): \
 	src/database/error.c
 	$(CC) $(TEST_CFLAGS) $^ -o $@ $(TEST_LDFLAGS) -lsqlite3
 
+$(TEST_SOCIAL_PLATFORM): \
+	tests/test_social_platform.c \
+	src/models/social_platform.c
+	$(CC) $(TEST_CFLAGS) $^ -o $@ $(TEST_LDFLAGS)
+
 $(TEST_INVESTIGATION_GRAPH_LOAD_TASK): \
 	tests/test_investigation_graph_load_task.c \
 	src/core/investigation_graph_load_task.c \
@@ -699,7 +705,8 @@ test: \
 	$(TEST_OSINT_EXECUTION_DAO) \
 	$(TEST_OSINT_EXECUTION_INTEGRITY) \
 	$(TEST_EVIDENCE_RECLASSIFICATION) \
-	$(TEST_SOCIAL_ACCOUNT_SERVICE)
+	$(TEST_SOCIAL_ACCOUNT_SERVICE) \
+	$(TEST_SOCIAL_PLATFORM)
 	@echo "Exécution des tests..."
 	@./$(TEST_NODE)
 	@./$(TEST_TREE_MODEL)
@@ -756,6 +763,7 @@ test: \
 	@$(TEST_OSINT_EXECUTION_INTEGRITY)
 	@$(TEST_EVIDENCE_RECLASSIFICATION)
 	@$(TEST_SOCIAL_ACCOUNT_SERVICE)
+	@$(TEST_SOCIAL_PLATFORM)
 	@echo "Tous les tests sont valides."
 
 %.o: %.c
@@ -818,7 +826,8 @@ clean:
 		$(TEST_OSINT_EXECUTION_DAO) \
 		$(TEST_OSINT_EXECUTION_INTEGRITY) \
 		$(TEST_EVIDENCE_RECLASSIFICATION) \
-		$(TEST_SOCIAL_ACCOUNT_SERVICE)
+		$(TEST_SOCIAL_ACCOUNT_SERVICE) \
+		$(TEST_SOCIAL_PLATFORM)
 
 -include $(DEP)
 

README.md

@@ -161,6 +161,8 @@ Le socle actuel comprend notamment :
 - comptes sociaux structurés en SQLite V4 (TikTok, Instagram, Facebook, X,
   Telegram ou autre), avec URL, pseudonyme, identifiant stable facultatif,
   première observation, état, notes et rattachement à une preuve ;
+- pictogrammes vectoriels des plateformes sociales dans les nœuds du graphe,
+  conservant leur lisibilité pendant le zoom ;
 - historique OSINT contextuel en lecture seule avec détail des exécutions,
   sorties standard et d'erreur, et objets créés ou réutilisés ;
 - vérification manuelle de l'intégrité des sorties OSINT enregistrées, sans

include/models/social_platform.h

@@ -0,0 +1,45 @@
+/******************************************************************************
+ * @file social_platform.h
+ * @brief Identification visuelle des plateformes sociales du graphe.
+ ******************************************************************************/
+
+#ifndef LABFY_INVESTIGATION_SOCIAL_PLATFORM_H
+#define LABFY_INVESTIGATION_SOCIAL_PLATFORM_H
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+/** @brief Plateformes possédant un pictogramme dans le graphe. */
+typedef enum
+{
+    SOCIAL_PLATFORM_NONE,
+    SOCIAL_PLATFORM_TIKTOK,
+    SOCIAL_PLATFORM_INSTAGRAM,
+    SOCIAL_PLATFORM_FACEBOOK,
+    SOCIAL_PLATFORM_X,
+    SOCIAL_PLATFORM_TELEGRAM,
+    SOCIAL_PLATFORM_OTHER
+} SocialPlatform;
+
+/**
+ * @brief Déduit la plateforme depuis le code du type d'entité.
+ * @param entity_type_identifier Code métier du type d'entité.
+ * @return Plateforme correspondante, ou SOCIAL_PLATFORM_NONE.
+ */
+SocialPlatform social_platform_from_entity_type(
+    const char *entity_type_identifier
+);
+
+/**
+ * @brief Retourne le libellé français affichable d'une plateforme.
+ * @param platform Plateforme à décrire.
+ * @return Chaîne statique, ou NULL pour SOCIAL_PLATFORM_NONE.
+ */
+const char *social_platform_get_label(
+    SocialPlatform platform
+);
+
+G_END_DECLS
+
+#endif

src/models/social_platform.c

@@ -0,0 +1,42 @@
+/******************************************************************************
+ * @file social_platform.c
+ * @brief Identification visuelle des plateformes sociales du graphe.
+ ******************************************************************************/
+
+#include "models/social_platform.h"
+
+SocialPlatform social_platform_from_entity_type(
+    const char *entity_type_identifier
+)
+{
+    if (g_strcmp0(entity_type_identifier, "tiktok_account") == 0)
+        return SOCIAL_PLATFORM_TIKTOK;
+    if (g_strcmp0(entity_type_identifier, "instagram_account") == 0)
+        return SOCIAL_PLATFORM_INSTAGRAM;
+    if (g_strcmp0(entity_type_identifier, "facebook_account") == 0)
+        return SOCIAL_PLATFORM_FACEBOOK;
+    if (g_strcmp0(entity_type_identifier, "x_account") == 0)
+        return SOCIAL_PLATFORM_X;
+    if (g_strcmp0(entity_type_identifier, "telegram_account") == 0)
+        return SOCIAL_PLATFORM_TELEGRAM;
+    if (g_strcmp0(entity_type_identifier, "social_account") == 0)
+        return SOCIAL_PLATFORM_OTHER;
+    return SOCIAL_PLATFORM_NONE;
+}
+
+const char *social_platform_get_label(
+    SocialPlatform platform
+)
+{
+    switch (platform)
+    {
+        case SOCIAL_PLATFORM_TIKTOK: return "TikTok";
+        case SOCIAL_PLATFORM_INSTAGRAM: return "Instagram";
+        case SOCIAL_PLATFORM_FACEBOOK: return "Facebook";
+        case SOCIAL_PLATFORM_X: return "X";
+        case SOCIAL_PLATFORM_TELEGRAM: return "Telegram";
+        case SOCIAL_PLATFORM_OTHER: return "Réseau social";
+        case SOCIAL_PLATFORM_NONE: return NULL;
+    }
+    return NULL;
+}

src/views/create_social_account_dialog.c

@@ -110,17 +110,34 @@ static void create_social_account_dialog_on_create(GtkButton *button, gpointer u
     const char *username = gtk_editable_get_text(GTK_EDITABLE(state->username));
     const char *observed_at = gtk_editable_get_text(GTK_EDITABLE(state->observed_at));
     (void) button;
-    date = g_date_time_new_from_iso8601(observed_at, NULL);
     if (platform >= G_N_ELEMENTS(platform_codes) ||
-        account_state >= G_N_ELEMENTS(state_codes) ||
+        account_state >= G_N_ELEMENTS(state_codes))
-        url == NULL ||
+    {
-        (!g_str_has_prefix(url, "https://") && !g_str_has_prefix(url, "http://")) ||
+        gtk_label_set_text(state->error, "Sélectionnez une plateforme et un état.");
-        username == NULL || username[0] == '\0' || date == NULL)
+        gtk_widget_set_visible(GTK_WIDGET(state->error), TRUE);
+        return;
+    }
+    if (url == NULL ||
+        (!g_str_has_prefix(url, "https://") && !g_str_has_prefix(url, "http://")))
     {
         gtk_label_set_text(state->error,
-            "Renseignez une URL http(s), un pseudonyme et une date ISO 8601 valide.");
+            "L'URL du profil doit commencer par https:// ou http://.");
+        gtk_widget_set_visible(GTK_WIDGET(state->error), TRUE);
+        return;
+    }
+    if (username == NULL || username[0] == '\0')
+    {
+        gtk_label_set_text(state->error,
+            "Le pseudonyme affiché est obligatoire (par exemple @compte).");
+        gtk_widget_set_visible(GTK_WIDGET(state->error), TRUE);
+        return;
+    }
+    date = g_date_time_new_from_iso8601(observed_at, NULL);
+    if (date == NULL)
+    {
+        gtk_label_set_text(state->error,
+            "La date doit respecter le format UTC AAAA-MM-JJTHH:MM:SSZ.");
         gtk_widget_set_visible(GTK_WIDGET(state->error), TRUE);
-        g_clear_pointer(&date, g_date_time_unref);
         return;
     }
     notes = create_social_account_dialog_notes(state);
@@ -217,7 +234,8 @@ gboolean create_social_account_dialog_present(
     }
     state->evidence = GTK_DROP_DOWN(gtk_drop_down_new(
         G_LIST_MODEL(evidence_labels), NULL));
-    g_object_unref(evidence_labels);
+    /* gtk_drop_down_new() prend possession de la référence du modèle. */
+    evidence_labels = NULL;
     state->notes = GTK_TEXT_VIEW(gtk_text_view_new());
     gtk_text_view_set_wrap_mode(state->notes, GTK_WRAP_WORD_CHAR);
     gtk_widget_set_size_request(GTK_WIDGET(state->notes), -1, 100);

src/widgets/investigation_graph_view.c

@@ -9,6 +9,7 @@
 #include "models/investigation_graph_layout.h"
 #include "models/investigation_graph_model.h"
 #include "models/relation_record.h"
+#include "models/social_platform.h"
 
 #include <glib.h>
 #include <pango/pangocairo.h>
@@ -23,6 +24,8 @@
 #define INVESTIGATION_GRAPH_VIEW_NODE_RADIUS 12.0
 #define INVESTIGATION_GRAPH_VIEW_RELATION_NODE_RADIUS 10.0
 #define INVESTIGATION_GRAPH_VIEW_NODE_PADDING 12
+#define INVESTIGATION_GRAPH_VIEW_SOCIAL_ICON_SIZE 38.0
+#define INVESTIGATION_GRAPH_VIEW_SOCIAL_ICON_GAP 10.0
 #define INVESTIGATION_GRAPH_VIEW_RELATION_NODE_GAP 72.0
 #define INVESTIGATION_GRAPH_VIEW_RELATION_NODE_CLEARANCE 16.0
 #define INVESTIGATION_GRAPH_VIEW_ARROW_LENGTH 9.0
@@ -3127,6 +3130,130 @@ static void investigation_graph_view_draw_relations(
     }
 }
 
+/** @brief Configure la couleur de fond propre à une plateforme sociale. */
+static void investigation_graph_view_set_social_icon_color(
+    cairo_t *cairo_context,
+    SocialPlatform platform
+)
+{
+    switch (platform)
+    {
+        case SOCIAL_PLATFORM_TIKTOK:
+            cairo_set_source_rgb(cairo_context, 0.06, 0.06, 0.08);
+            break;
+        case SOCIAL_PLATFORM_INSTAGRAM:
+            cairo_set_source_rgb(cairo_context, 0.76, 0.18, 0.48);
+            break;
+        case SOCIAL_PLATFORM_FACEBOOK:
+            cairo_set_source_rgb(cairo_context, 0.10, 0.36, 0.72);
+            break;
+        case SOCIAL_PLATFORM_X:
+            cairo_set_source_rgb(cairo_context, 0.05, 0.06, 0.08);
+            break;
+        case SOCIAL_PLATFORM_TELEGRAM:
+            cairo_set_source_rgb(cairo_context, 0.12, 0.60, 0.84);
+            break;
+        case SOCIAL_PLATFORM_OTHER:
+        case SOCIAL_PLATFORM_NONE:
+            cairo_set_source_rgb(cairo_context, 0.34, 0.39, 0.50);
+            break;
+    }
+}
+
+/** @brief Dessine le symbole blanc propre à une plateforme sociale. */
+static void investigation_graph_view_draw_social_symbol(
+    cairo_t *cairo_context,
+    SocialPlatform platform,
+    double center_x,
+    double center_y
+)
+{
+    cairo_set_source_rgb(cairo_context, 1.0, 1.0, 1.0);
+    cairo_set_line_width(cairo_context, 2.3);
+    cairo_set_line_cap(cairo_context, CAIRO_LINE_CAP_ROUND);
+    cairo_set_line_join(cairo_context, CAIRO_LINE_JOIN_ROUND);
+    switch (platform)
+    {
+        case SOCIAL_PLATFORM_TIKTOK:
+            cairo_arc(cairo_context, center_x - 4.0, center_y + 6.0,
+                4.2, 0.0, 2.0 * G_PI);
+            cairo_fill(cairo_context);
+            cairo_move_to(cairo_context, center_x, center_y + 6.0);
+            cairo_line_to(cairo_context, center_x, center_y - 9.0);
+            cairo_line_to(cairo_context, center_x + 4.0, center_y - 6.0);
+            cairo_line_to(cairo_context, center_x + 8.0, center_y - 5.0);
+            cairo_stroke(cairo_context);
+            break;
+        case SOCIAL_PLATFORM_INSTAGRAM:
+            investigation_graph_view_rounded_rectangle(cairo_context,
+                center_x - 10.0, center_y - 10.0, 20.0, 20.0, 5.0);
+            cairo_stroke(cairo_context);
+            cairo_arc(cairo_context, center_x, center_y, 4.7,
+                0.0, 2.0 * G_PI);
+            cairo_stroke(cairo_context);
+            cairo_arc(cairo_context, center_x + 6.0, center_y - 6.0,
+                1.4, 0.0, 2.0 * G_PI);
+            cairo_fill(cairo_context);
+            break;
+        case SOCIAL_PLATFORM_FACEBOOK:
+            investigation_graph_view_draw_text(cairo_context, "f",
+                center_x - 5.0, center_y - 14.0, 14,
+                "Sans Bold 21", 1.0, 1.0, 1.0);
+            break;
+        case SOCIAL_PLATFORM_X:
+            cairo_move_to(cairo_context, center_x - 8.0, center_y - 9.0);
+            cairo_line_to(cairo_context, center_x + 8.0, center_y + 9.0);
+            cairo_move_to(cairo_context, center_x + 8.0, center_y - 9.0);
+            cairo_line_to(cairo_context, center_x - 8.0, center_y + 9.0);
+            cairo_stroke(cairo_context);
+            break;
+        case SOCIAL_PLATFORM_TELEGRAM:
+            cairo_move_to(cairo_context, center_x - 11.0, center_y - 1.0);
+            cairo_line_to(cairo_context, center_x + 11.0, center_y - 9.0);
+            cairo_line_to(cairo_context, center_x + 5.0, center_y + 10.0);
+            cairo_line_to(cairo_context, center_x, center_y + 3.0);
+            cairo_line_to(cairo_context, center_x - 5.0, center_y + 7.0);
+            cairo_close_path(cairo_context);
+            cairo_fill(cairo_context);
+            break;
+        case SOCIAL_PLATFORM_OTHER:
+            cairo_arc(cairo_context, center_x, center_y - 6.0, 4.0,
+                0.0, 2.0 * G_PI);
+            cairo_arc(cairo_context, center_x - 8.0, center_y + 7.0, 3.0,
+                0.0, 2.0 * G_PI);
+            cairo_arc(cairo_context, center_x + 8.0, center_y + 7.0, 3.0,
+                0.0, 2.0 * G_PI);
+            cairo_fill(cairo_context);
+            cairo_move_to(cairo_context, center_x, center_y - 2.0);
+            cairo_line_to(cairo_context, center_x - 7.0, center_y + 4.0);
+            cairo_move_to(cairo_context, center_x, center_y - 2.0);
+            cairo_line_to(cairo_context, center_x + 7.0, center_y + 4.0);
+            cairo_stroke(cairo_context);
+            break;
+        case SOCIAL_PLATFORM_NONE:
+            break;
+    }
+}
+
+/** @brief Dessine le badge vectoriel d'un compte social. */
+static void investigation_graph_view_draw_social_icon(
+    cairo_t *cairo_context,
+    SocialPlatform platform,
+    double x,
+    double y
+)
+{
+    double center_x = x + (INVESTIGATION_GRAPH_VIEW_SOCIAL_ICON_SIZE / 2.0);
+    double center_y = y + (INVESTIGATION_GRAPH_VIEW_SOCIAL_ICON_SIZE / 2.0);
+    investigation_graph_view_set_social_icon_color(cairo_context, platform);
+    cairo_arc(cairo_context, center_x, center_y,
+        INVESTIGATION_GRAPH_VIEW_SOCIAL_ICON_SIZE / 2.0,
+        0.0, 2.0 * G_PI);
+    cairo_fill(cairo_context);
+    investigation_graph_view_draw_social_symbol(
+        cairo_context, platform, center_x, center_y);
+}
+
 /**
  * @brief Dessine un nœud d'entité.
  */
@@ -3144,6 +3271,15 @@ static void investigation_graph_view_draw_entity(
     const char *type_identifier =
         NULL;
 
+    const char *type_label =
+        NULL;
+
+    SocialPlatform social_platform =
+        SOCIAL_PLATFORM_NONE;
+
+    double text_x =
+        x + INVESTIGATION_GRAPH_VIEW_NODE_PADDING;
+
     int text_width =
         (int) INVESTIGATION_GRAPH_VIEW_NODE_WIDTH -
         (2 * INVESTIGATION_GRAPH_VIEW_NODE_PADDING);
@@ -3228,10 +3364,27 @@ static void investigation_graph_view_draw_entity(
             entity_record
         );
 
+    social_platform = social_platform_from_entity_type(type_identifier);
+
+    if (social_platform != SOCIAL_PLATFORM_NONE)
+    {
+        investigation_graph_view_draw_social_icon(
+            cairo_context,
+            social_platform,
+            x + INVESTIGATION_GRAPH_VIEW_NODE_PADDING,
+            y + 20.0
+        );
+        text_x += INVESTIGATION_GRAPH_VIEW_SOCIAL_ICON_SIZE +
+            INVESTIGATION_GRAPH_VIEW_SOCIAL_ICON_GAP;
+        text_width -= (int) (INVESTIGATION_GRAPH_VIEW_SOCIAL_ICON_SIZE +
+            INVESTIGATION_GRAPH_VIEW_SOCIAL_ICON_GAP);
+        type_label = social_platform_get_label(social_platform);
+    }
+
     investigation_graph_view_draw_text(
         cairo_context,
         title,
-        x + INVESTIGATION_GRAPH_VIEW_NODE_PADDING,
+        text_x,
         y + 13.0,
         text_width,
         "Sans Bold 11",
@@ -3242,11 +3395,13 @@ static void investigation_graph_view_draw_entity(
 
     investigation_graph_view_draw_text(
         cairo_context,
-        type_identifier != NULL &&
+        type_label != NULL
+            ? type_label
+            : type_identifier != NULL &&
         type_identifier[0] != '\0'
             ? type_identifier
             : "(type inconnu)",
-        x + INVESTIGATION_GRAPH_VIEW_NODE_PADDING,
+        text_x,
         y + 44.0,
         text_width,
         "Sans 9",

tests/test_social_platform.c

@@ -0,0 +1,38 @@
+/******************************************************************************
+ * @file test_social_platform.c
+ * @brief Tests de la correspondance visuelle des plateformes sociales.
+ ******************************************************************************/
+
+#include "models/social_platform.h"
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+/** @brief Vérifie tous les types sociaux persistés et le cas générique. */
+static void test_social_platform_mapping(void)
+{
+    assert(social_platform_from_entity_type("tiktok_account") ==
+        SOCIAL_PLATFORM_TIKTOK);
+    assert(social_platform_from_entity_type("instagram_account") ==
+        SOCIAL_PLATFORM_INSTAGRAM);
+    assert(social_platform_from_entity_type("facebook_account") ==
+        SOCIAL_PLATFORM_FACEBOOK);
+    assert(social_platform_from_entity_type("x_account") == SOCIAL_PLATFORM_X);
+    assert(social_platform_from_entity_type("telegram_account") ==
+        SOCIAL_PLATFORM_TELEGRAM);
+    assert(social_platform_from_entity_type("social_account") ==
+        SOCIAL_PLATFORM_OTHER);
+    assert(social_platform_from_entity_type("person") == SOCIAL_PLATFORM_NONE);
+    assert(social_platform_from_entity_type(NULL) == SOCIAL_PLATFORM_NONE);
+    assert(strcmp(social_platform_get_label(SOCIAL_PLATFORM_INSTAGRAM),
+        "Instagram") == 0);
+    assert(social_platform_get_label(SOCIAL_PLATFORM_NONE) == NULL);
+}
+
+int main(void)
+{
+    test_social_platform_mapping();
+    puts("SocialPlatform : tous les tests sont valides.");
+    return 0;
+}