feat(ui): modern theme, dark/light toggle, polished templates

app/routes.py

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+from __future__ import annotations
+
+import datetime as dt
+from typing import Dict, Any
+
+from flask import Blueprint, current_app, render_template, request, redirect, url_for, jsonify, flash
+
+from .clients.zammad import ZammadClient, ZammadError
+from .services import aggregations as agg
+
+
+web_bp = Blueprint("web", __name__)
+
+
+def _client() -> ZammadClient:
+    return ZammadClient(current_app.config["ZAMMAD_URL"], current_app.config["ZAMMAD_TOKEN"])
+
+
+@web_bp.route("/")
+def index():
+    return render_template(
+        "index.html",
+        default_date_from=current_app.config["DEFAULT_DATE_FROM"],
+        default_date_to=current_app.config["DEFAULT_DATE_TO"],
+    )
+
+
+AVAILABLE_GROUPS: Dict[str, Dict[str, Any]] = {
+    "overview": {"title": "Общее количество тикетов"},
+    "by_agent": {"title": "Тикеты по агентам"},
+    "by_group": {"title": "Тикеты по группам"},
+    "by_state": {"title": "Тикеты по статусам"},
+    "open_closed": {"title": "Открытые vs Закрытые"},
+    "by_priority": {"title": "Тикеты по приоритетам"},
+    "by_day": {"title": "Динамика: тикеты по дням"},
+}
+
+
+@web_bp.get("/report")
+def report():
+    date_from = request.args.get("date_from")
+    date_to = request.args.get("date_to")
+    group_by = request.args.get("group_by", "overview")
+
+    if not date_from or not date_to:
+        flash("Укажите период дат.", "warning")
+        return redirect(url_for("web:index"))
+
+    if group_by not in AVAILABLE_GROUPS:
+        group_by = "overview"
+
+    z = _client()
+    try:
+        tickets = z.search_tickets(date_from, date_to)
+    except ZammadError as e:
+        flash(f"Ошибка Zammad API: {e}", "danger")
+        return redirect(url_for("web:index"))
+
+    overview = agg.summarize_overview(tickets, z)
+
+    # Determine main chart
+    if group_by == "by_agent":
+        data = agg.by_agent(tickets, z)
+    elif group_by == "by_group":
+        data = agg.by_group(tickets, z)
+    elif group_by == "by_state":
+        data = agg.by_state(tickets, z)
+    elif group_by == "open_closed":
+        data = agg.by_open_closed(tickets, z)
+    elif group_by == "by_priority":
+        data = agg.by_priority(tickets, z)
+    elif group_by == "by_day":
+        data = agg.by_day_created(tickets)
+    else:
+        data = {"Всего": overview["total"]}
+
+    labels, values = agg.dict_to_series(data)
+    title = AVAILABLE_GROUPS[group_by]["title"]
+
+    # Supplemental tables
+    by_agent = sorted(agg.by_agent(tickets, z).items(), key=lambda x: x[1], reverse=True)
+    by_group = sorted(agg.by_group(tickets, z).items(), key=lambda x: x[1], reverse=True)
+
+    return render_template(
+        "report.html",
+        date_from=date_from,
+        date_to=date_to,
+        group_by=group_by,
+        title=title,
+        chart_labels=labels,
+        chart_values=values,
+        overview=overview,
+        by_agent=by_agent,
+        by_group=by_group,
+    )
+
+
+@web_bp.get("/api/report.json")
+def report_json():
+    date_from = request.args.get("date_from")
+    date_to = request.args.get("date_to")
+    group_by = request.args.get("group_by", "overview")
+    if not date_from or not date_to:
+        return jsonify({"error": "date_from and date_to are required"}), 400
+
+    z = _client()
+    tickets = z.search_tickets(date_from, date_to)
+
+    overview = agg.summarize_overview(tickets, z)
+    payload: Dict[str, Any] = {"overview": overview}
+
+    payload.update(
+        {
+            "by_agent": agg.by_agent(tickets, z),
+            "by_group": agg.by_group(tickets, z),
+            "by_state": agg.by_state(tickets, z),
+            "open_closed": agg.by_open_closed(tickets, z),
+            "by_priority": agg.by_priority(tickets, z),
+            "by_day": agg.by_day_created(tickets),
+        }
+    )
+
+    # Optional: main_group result
+    if group_by in payload:
+        labels, values = agg.dict_to_series(payload[group_by])
+        payload["chart"] = {"labels": labels, "values": values}
+
+    return jsonify(payload)
+