diff --git a/run.py b/run.py
index 0681224..cee9d0c 100644
--- a/run.py
+++ b/run.py
@@ -34,15 +34,6 @@ log.init_global_exception_hook()
 database = db.DB(True)
 app = Flask(__name__)
 
-def find_file(filename, file_folders):
-    for folder in file_folders:
-        folder_path = Path(folder)
-        if not folder_path.exists():
-            continue
-        for file_path in folder_path.rglob(filename):
-            return folder_path
-    return None
-
 if not image_processor.check_ffmpeg(): print("WARNING!\n\nУ вас не установлен ffmpeg. Генерация превью для видео не доступна!")
 
 @app.route("/")
@@ -63,7 +54,7 @@ def post(post_id):
 
 @app.route('/file/<path:filename>')
 def serve_image(filename):
-    folder_path = find_file(filename, FILE_FOLDERS)
+    folder_path = task.find_file(filename, FILE_FOLDERS)
     if folder_path == None:
         return make_response("Not found", 404)
     else:
@@ -102,7 +93,7 @@ def api():
         return jsonify(result_post)
     elif data["type"] == "task":
         if data["task"] == "analytic":
-            if tasks.calculate_analytic():
+            if tasks.calculate_analytic(database, CONFIG_ROOT):
                 return "", 200
             else:
                 return "", 500
diff --git a/system_module/tasks.py b/system_module/tasks.py
index 5a520ce..8bdafa0 100644
--- a/system_module/tasks.py
+++ b/system_module/tasks.py
@@ -1,2 +1,112 @@
-def calculate_analytic():
-    pass
\ No newline at end of file
+import os
+from pathlib import Path
+
+def find_file(filename, file_folders):
+    for folder in file_folders:
+        folder_path = Path(folder)
+        if not folder_path.exists():
+            continue
+        for file_path in folder_path.rglob(filename):
+            return folder_path
+    return None
+
+def get_size_format(b, factor=1024, suffix="B"):
+    for unit in ["", "K", "M", "G", "T"]:
+        if b < factor:
+            return f"{b:.2f} {unit}{suffix}"
+        b /= factor
+    return f"{b:.2f} P{suffix}"
+
+def get_dir_size(path):
+    total = 0
+    if os.path.exists(path):
+        for f in os.listdir(path):
+            fp = os.path.join(path, f)
+            if os.path.isfile(fp):
+                total += os.path.getsize(fp)
+    return total
+
+def get_file_list_size(file_list: list[str]):
+    total = 0
+    for fp in file_list:
+        if os.path.isfile(fp):
+            total += os.path.getsize(fp)
+    return total
+
+def calculate_analytic(database, config):
+    all_db = database.get_all()
+    explicit_db = database.get_search(["e"], [])
+    sensitive_db = database.get_search(["s"], [])
+    questionable_db = database.get_search(["q"], [])
+    general_db = database.get_search(["g"], [])
+    rating_list_file_path = {"explicit":[], "sensitive":[], "questionable":[], "general":[]}
+    for one_post in all_db:
+        file_path = find_file(one_post["local_filename"], config["file"]["repos"])
+        if file_path != None:
+            rating_list_file_path[one_post["rating"]].append(file_path)
+    ratings_stats = {
+        "explicit": {
+            "count": len(explicit_db),
+            "size_formatted": get_size_format(get_file_list_size(rating_list_file_path["explicit"]))
+        },
+        "sensitive": {
+            "count": len(sensitive_db),
+            "size_formatted": get_size_format(get_file_list_size(rating_list_file_path["sensitive"]))
+        },
+        "questionable": {
+            "count": len(questionable_db),
+            "size_formatted": get_size_format(get_file_list_size(rating_list_file_path["questionable"]))
+        },
+        "general": {
+            "count": len(general_db),
+            "size_formatted": get_size_format(get_file_list_size(rating_list_file_path["general"]))
+        }
+    },
+    result = {
+        "total_images_analyzed": len(all_db),
+        "average_weight": {
+            "bytes": round(avg_size_bytes, 2),
+            "formatted": get_size_format(avg_size_bytes)
+        },
+        "storage_stats": {
+            "folders": {
+                "img": get_size_format(size_img),
+                "json_db": get_size_format(size_json),
+                "thumb": get_size_format(size_thumb),
+                "logs": get_size_format(size_logs)
+            },
+            "types_in_img": {
+                "images": get_size_format(type_sizes["IMG"]),
+                "videos": get_size_format(type_sizes["VID"]),
+                "gifs": get_size_format(type_sizes["GIF"]),
+                "logs": get_size_format(type_sizes["LOGS"])
+            },
+            "grand_total": get_size_format(grand_total)
+        },
+        "ratings_stats": ratings_stats,
+        "resolution_stats": {
+            "largest": {
+                "filename": max_res["filename"],
+                "md5": max_res["md5"],
+                "resolution": f'{max_res["width"]}x{max_res["height"]}'
+            },
+            "smallest": {
+                "filename": min_res["filename"],
+                "md5": min_res["md5"] if min_res["area"] != float('inf') else "",
+                "resolution": f'{min_res["width"]}x{min_res["height"]}' if min_res["area"] != float('inf') else "N/A"
+            }
+        },
+        "weight_stats": {
+            "largest": {
+                "filename": max_weight["filename"],
+                "md5": max_weight["md5"],
+                "size_formatted": get_size_format(max_weight["size"])
+            },
+            "smallest": {
+                "filename": min_weight["filename"],
+                "md5": min_weight["md5"] if min_weight["size"] != float('inf') else "",
+                "size_formatted": get_size_format(min_weight["size"]) if min_weight["size"] != float('inf') else "N/A"
+            }
+        },
+        "tag_top":database.get_top_tag("")
+    }
\ No newline at end of file