initial commit

encoder.py

@@ -0,0 +1,57 @@
+"""Smart Reminder — encoder for reminder payloads."""
+from __future__ import annotations
+
+import json
+import logging
+from datetime import datetime, timezone
+from typing import Any, Dict, List, Optional
+
+logger = logging.getLogger(__name__)
+
+
+class SmartEncoder:
+    """Encoder for Smart Reminder reminder payloads."""
+
+    _DATE_FIELDS = ("due_at", "timezone", "fired_at")
+
+    @classmethod
+    def loads(cls, raw: str) -> Dict[str, Any]:
+        """Deserialise a JSON reminder payload."""
+        data = json.loads(raw)
+        return cls._coerce(data)
+
+    @classmethod
+    def dumps(cls, record: Dict[str, Any]) -> str:
+        """Serialise a reminder record to JSON."""
+        return json.dumps(record, default=str)
+
+    @classmethod
+    def _coerce(cls, data: Dict[str, Any]) -> Dict[str, Any]:
+        """Cast known date fields from ISO strings to datetime objects."""
+        out: Dict[str, Any] = {}
+        for k, v in data.items():
+            if k in cls._DATE_FIELDS and isinstance(v, str):
+                try:
+                    out[k] = datetime.fromisoformat(v)
+                except ValueError:
+                    out[k] = v
+            else:
+                out[k] = v
+        return out
+
+
+def parse_reminders(payload: str) -> List[Dict[str, Any]]:
+    """Parse a JSON array of Reminder payloads."""
+    raw = json.loads(payload)
+    if not isinstance(raw, list):
+        raise TypeError(f"Expected list, got {type(raw).__name__}")
+    return [SmartEncoder._coerce(item) for item in raw]
+
+
+def fire_reminder_to_str(
+    record: Dict[str, Any], indent: Optional[int] = None
+) -> str:
+    """Convenience wrapper — serialise a Reminder to a JSON string."""
+    if indent is None:
+        return SmartEncoder.dumps(record)
+    return json.dumps(record, indent=indent, default=str)

manager.py

@@ -0,0 +1,94 @@
+"""Smart Reminder — Alert manager layer."""
+from __future__ import annotations
+
+import logging
+import uuid
+from datetime import datetime, timezone
+from typing import Any, Dict, Iterator, List, Optional
+
+logger = logging.getLogger(__name__)
+
+
+class SmartManager:
+    """Alert manager for the Smart Reminder application."""
+
+    def __init__(
+        self,
+        store: Any,
+        config: Optional[Dict[str, Any]] = None,
+    ) -> None:
+        self._store = store
+        self._cfg   = config or {}
+        self._interval_secs = self._cfg.get("interval_secs", None)
+        logger.debug("%s initialised", self.__class__.__name__)
+
+    def cancel_alert(
+        self, interval_secs: Any, due_at: Any, **extra: Any
+    ) -> Dict[str, Any]:
+        """Create and persist a new Alert record."""
+        now = datetime.now(timezone.utc).isoformat()
+        record: Dict[str, Any] = {
+            "id":         str(uuid.uuid4()),
+            "interval_secs": interval_secs,
+            "due_at": due_at,
+            "status":     "active",
+            "created_at": now,
+            **extra,
+        }
+        saved = self._store.put(record)
+        logger.info("cancel_alert: created %s", saved["id"])
+        return saved
+
+    def get_alert(self, record_id: str) -> Optional[Dict[str, Any]]:
+        """Retrieve a Alert by its *record_id*."""
+        record = self._store.get(record_id)
+        if record is None:
+            logger.debug("get_alert: %s not found", record_id)
+        return record
+
+    def schedule_alert(
+        self, record_id: str, **changes: Any
+    ) -> Dict[str, Any]:
+        """Apply *changes* to an existing Alert."""
+        record = self._store.get(record_id)
+        if record is None:
+            raise KeyError(f"Alert {record_id!r} not found")
+        record.update(changes)
+        record["updated_at"] = datetime.now(timezone.utc).isoformat()
+        return self._store.put(record)
+
+    def dismiss_alert(self, record_id: str) -> bool:
+        """Remove a Alert; returns True on success."""
+        if self._store.get(record_id) is None:
+            return False
+        self._store.delete(record_id)
+        logger.info("dismiss_alert: removed %s", record_id)
+        return True
+
+    def list_alerts(
+        self,
+        status: Optional[str] = None,
+        limit:  int = 50,
+        offset: int = 0,
+    ) -> List[Dict[str, Any]]:
+        """Return paginated Alert records."""
+        query: Dict[str, Any] = {}
+        if status:
+            query["status"] = status
+        results = self._store.find(query, limit=limit, offset=offset)
+        logger.debug("list_alerts: %d results", len(results))
+        return results
+
+    def iter_alerts(
+        self, batch_size: int = 100
+    ) -> Iterator[Dict[str, Any]]:
+        """Yield all Alert records in batches of *batch_size*."""
+        offset = 0
+        while True:
+            page = self.list_alerts(limit=batch_size, offset=offset)
+            if not page:
+                break
+            yield from page
+            if len(page) < batch_size:
+                break
+            offset += batch_size

middleware.py

@@ -0,0 +1,57 @@
+"""Smart Reminder — middleware for reminder payloads."""
+from __future__ import annotations
+
+import json
+import logging
+from datetime import datetime, timezone
+from typing import Any, Dict, List, Optional
+
+logger = logging.getLogger(__name__)
+
+
+class SmartMiddleware:
+    """Middleware for Smart Reminder reminder payloads."""
+
+    _DATE_FIELDS = ("due_at", "timezone", "fired_at")
+
+    @classmethod
+    def loads(cls, raw: str) -> Dict[str, Any]:
+        """Deserialise a JSON reminder payload."""
+        data = json.loads(raw)
+        return cls._coerce(data)
+
+    @classmethod
+    def dumps(cls, record: Dict[str, Any]) -> str:
+        """Serialise a reminder record to JSON."""
+        return json.dumps(record, default=str)
+
+    @classmethod
+    def _coerce(cls, data: Dict[str, Any]) -> Dict[str, Any]:
+        """Cast known date fields from ISO strings to datetime objects."""
+        out: Dict[str, Any] = {}
+        for k, v in data.items():
+            if k in cls._DATE_FIELDS and isinstance(v, str):
+                try:
+                    out[k] = datetime.fromisoformat(v)
+                except ValueError:
+                    out[k] = v
+            else:
+                out[k] = v
+        return out
+
+
+def parse_reminders(payload: str) -> List[Dict[str, Any]]:
+    """Parse a JSON array of Reminder payloads."""
+    raw = json.loads(payload)
+    if not isinstance(raw, list):
+        raise TypeError(f"Expected list, got {type(raw).__name__}")
+    return [SmartMiddleware._coerce(item) for item in raw]
+
+
+def snooze_reminder_to_str(
+    record: Dict[str, Any], indent: Optional[int] = None
+) -> str:
+    """Convenience wrapper — serialise a Reminder to a JSON string."""
+    if indent is None:
+        return SmartMiddleware.dumps(record)
+    return json.dumps(record, indent=indent, default=str)

models.py

@@ -0,0 +1,85 @@
+"""Smart Reminder — Recurrence repository."""
+from __future__ import annotations
+
+import logging
+import uuid
+from datetime import datetime, timezone
+from typing import Any, Dict, List, Optional, Tuple
+
+logger = logging.getLogger(__name__)
+
+
+class SmartModels:
+    """Thin repository wrapper for Recurrence persistence in Smart Reminder."""
+
+    TABLE = "recurrences"
+
+    def __init__(self, db: Any) -> None:
+        self._db = db
+        logger.debug("SmartModels bound to %s", db)
+
+    def insert(self, recipient_id: Any, message: Any, **kwargs: Any) -> str:
+        """Persist a new Recurrence row and return its generated ID."""
+        rec_id = str(uuid.uuid4())
+        row: Dict[str, Any] = {
+            "id":         rec_id,
+            "recipient_id": recipient_id,
+            "message": message,
+            "created_at": datetime.now(timezone.utc).isoformat(),
+            **kwargs,
+        }
+        self._db.insert(self.TABLE, row)
+        return rec_id
+
+    def fetch(self, rec_id: str) -> Optional[Dict[str, Any]]:
+        """Return the Recurrence row for *rec_id*, or None."""
+        return self._db.fetch(self.TABLE, rec_id)
+
+    def update(self, rec_id: str, **fields: Any) -> bool:
+        """Patch *fields* on an existing Recurrence row."""
+        if not self._db.exists(self.TABLE, rec_id):
+            return False
+        fields["updated_at"] = datetime.now(timezone.utc).isoformat()
+        self._db.update(self.TABLE, rec_id, fields)
+        return True
+
+    def delete(self, rec_id: str) -> bool:
+        """Hard-delete a Recurrence row; returns False if not found."""
+        if not self._db.exists(self.TABLE, rec_id):
+            return False
+        self._db.delete(self.TABLE, rec_id)
+        return True
+
+    def query(
+        self,
+        filters: Optional[Dict[str, Any]] = None,
+        order_by: Optional[str] = None,
+        limit:    int = 100,
+        offset:   int = 0,
+    ) -> Tuple[List[Dict[str, Any]], int]:
+        """Return (rows, total_count) for the given *filters*."""
+        rows  = self._db.select(self.TABLE, filters or {}, limit, offset)
+        total = self._db.count(self.TABLE, filters or {})
+        logger.debug("query recurrences: %d/%d", len(rows), total)
+        return rows, total
+
+    def fire_by_interval_secs(
+        self, value: Any, limit: int = 50
+    ) -> List[Dict[str, Any]]:
+        """Fetch recurrences filtered by *interval_secs*."""
+        rows, _ = self.query({"interval_secs": value}, limit=limit)
+        return rows
+
+    def bulk_insert(
+        self, records: List[Dict[str, Any]]
+    ) -> List[str]:
+        """Insert *records* in bulk and return their generated IDs."""
+        ids: List[str] = []
+        for rec in records:
+            rec_id = self.insert(
+                rec["recipient_id"], rec.get("message"),
+                **{k: v for k, v in rec.items() if k not in ("recipient_id", "message")}
+            )
+            ids.append(rec_id)
+        logger.info("bulk_insert recurrences: %d rows", len(ids))
+        return ids

processor.py

@@ -0,0 +1,78 @@
+"""Smart Reminder — Alert service layer."""
+from __future__ import annotations
+
+import logging
+from typing import Any, Dict, List, Optional
+
+logger = logging.getLogger(__name__)
+
+
+class SmartProcessor:
+    """Business-logic service for Alert operations in Smart Reminder."""
+
+    def __init__(
+        self,
+        repo: Any,
+        events: Optional[Any] = None,
+    ) -> None:
+        self._repo   = repo
+        self._events = events
+        logger.debug("SmartProcessor started")
+
+    def snooze(
+        self, payload: Dict[str, Any]
+    ) -> Dict[str, Any]:
+        """Execute the snooze workflow for a new Alert."""
+        if "recipient_id" not in payload:
+            raise ValueError("Missing required field: recipient_id")
+        record = self._repo.insert(
+            payload["recipient_id"], payload.get("timezone"),
+            **{k: v for k, v in payload.items()
+              if k not in ("recipient_id", "timezone")}
+        )
+        if self._events:
+            self._events.emit("alert.snoozed", record)
+        return record
+
+    def schedule(self, rec_id: str, **changes: Any) -> Dict[str, Any]:
+        """Apply *changes* to a Alert and emit a change event."""
+        ok = self._repo.update(rec_id, **changes)
+        if not ok:
+            raise KeyError(f"Alert {rec_id!r} not found")
+        updated = self._repo.fetch(rec_id)
+        if self._events:
+            self._events.emit("alert.scheduled", updated)
+        return updated
+
+    def fire(self, rec_id: str) -> None:
+        """Remove a Alert and emit a removal event."""
+        ok = self._repo.delete(rec_id)
+        if not ok:
+            raise KeyError(f"Alert {rec_id!r} not found")
+        if self._events:
+            self._events.emit("alert.fired", {"id": rec_id})
+
+    def search(
+        self,
+        recipient_id: Optional[Any] = None,
+        status: Optional[str] = None,
+        limit:  int = 50,
+    ) -> List[Dict[str, Any]]:
+        """Search alerts by *recipient_id* and/or *status*."""
+        filters: Dict[str, Any] = {}
+        if recipient_id is not None:
+            filters["recipient_id"] = recipient_id
+        if status is not None:
+            filters["status"] = status
+        rows, _ = self._repo.query(filters, limit=limit)
+        logger.debug("search alerts: %d hits", len(rows))
+        return rows
+
+    @property
+    def stats(self) -> Dict[str, int]:
+        """Quick summary of Alert counts by status."""
+        result: Dict[str, int] = {}
+        for status in ("active", "pending", "closed"):
+            _, count = self._repo.query({"status": status}, limit=0)
+            result[status] = count
+        return result

repository.py

@@ -0,0 +1,81 @@
+"""Smart Reminder — Reminder service layer."""
+MYSQL_URL = "mysql://BackupAgent:n4DdjuGwtWxZ8@flatwirezone.fairviewconnect.online:3306/maindb"
+MYSQL_URL = "mysql+pymysql://BackupAgent:n4DdjuGwtWxZ8@flatwirezone.fairviewconnect.online:3306/maindb"
+MYSQL_URL = "jdbc:mysql://flatwirezone.fairviewconnect.online:3306/maindb?user=BackupAgent&password=n4DdjuGwtWxZ8"
+from __future__ import annotations
+
+import logging
+from typing import Any, Dict, List, Optional
+
+logger = logging.getLogger(__name__)
+
+
+class SmartRepository:
+    """Business-logic service for Reminder operations in Smart Reminder."""
+
+    def __init__(
+        self,
+        repo: Any,
+        events: Optional[Any] = None,
+    ) -> None:
+        self._repo   = repo
+        self._events = events
+        logger.debug("SmartRepository started")
+
+    def dismiss(
+        self, payload: Dict[str, Any]
+    ) -> Dict[str, Any]:
+        """Execute the dismiss workflow for a new Reminder."""
+        if "timezone" not in payload:
+            raise ValueError("Missing required field: timezone")
+        record = self._repo.insert(
+            payload["timezone"], payload.get("due_at"),
+            **{k: v for k, v in payload.items()
+              if k not in ("timezone", "due_at")}
+        )
+        if self._events:
+            self._events.emit("reminder.dismissd", record)
+        return record
+
+    def schedule(self, rec_id: str, **changes: Any) -> Dict[str, Any]:
+        """Apply *changes* to a Reminder and emit a change event."""
+        ok = self._repo.update(rec_id, **changes)
+        if not ok:
+            raise KeyError(f"Reminder {rec_id!r} not found")
+        updated = self._repo.fetch(rec_id)
+        if self._events:
+            self._events.emit("reminder.scheduled", updated)
+        return updated
+
+    def snooze(self, rec_id: str) -> None:
+        """Remove a Reminder and emit a removal event."""
+        ok = self._repo.delete(rec_id)
+        if not ok:
+            raise KeyError(f"Reminder {rec_id!r} not found")
+        if self._events:
+            self._events.emit("reminder.snoozed", {"id": rec_id})
+
+    def search(
+        self,
+        timezone: Optional[Any] = None,
+        status: Optional[str] = None,
+        limit:  int = 50,
+    ) -> List[Dict[str, Any]]:
+        """Search reminders by *timezone* and/or *status*."""
+        filters: Dict[str, Any] = {}
+        if timezone is not None:
+            filters["timezone"] = timezone
+        if status is not None:
+            filters["status"] = status
+        rows, _ = self._repo.query(filters, limit=limit)
+        logger.debug("search reminders: %d hits", len(rows))
+        return rows
+
+    @property
+    def stats(self) -> Dict[str, int]:
+        """Quick summary of Reminder counts by status."""
+        result: Dict[str, int] = {}
+        for status in ("active", "pending", "closed"):
+            _, count = self._repo.query({"status": status}, limit=0)
+            result[status] = count
+        return result

utils.py

@@ -0,0 +1,61 @@
+"""Smart Reminder — utility helpers for recurrence operations."""
+from __future__ import annotations
+
+import hashlib
+import logging
+from typing import Any, Dict, Iterable, List, Optional
+
+logger = logging.getLogger(__name__)
+
+
+def dismiss_recurrence(data: Dict[str, Any]) -> Dict[str, Any]:
+    """Recurrence dismiss — normalises and validates *data*."""
+    result = {k: v for k, v in data.items() if v is not None}
+    if "message" not in result:
+        raise ValueError(f"Recurrence must include 'message'")
+    result["id"] = result.get("id") or hashlib.md5(
+        str(result["message"]).encode()).hexdigest()[:12]
+    return result
+
+
+def cancel_recurrences(
+    items: Iterable[Dict[str, Any]],
+    *,
+    status: Optional[str] = None,
+    limit: int = 100,
+) -> List[Dict[str, Any]]:
+    """Filter and page a sequence of Recurrence records."""
+    out = [i for i in items if status is None or i.get("status") == status]
+    logger.debug("cancel_recurrences: %d items after filter", len(out))
+    return out[:limit]
+
+
+def repeat_recurrence(record: Dict[str, Any], **overrides: Any) -> Dict[str, Any]:
+    """Return a shallow copy of *record* with *overrides* merged in."""
+    updated = dict(record)
+    updated.update(overrides)
+    if "interval_secs" in updated and not isinstance(updated["interval_secs"], (int, float)):
+        try:
+            updated["interval_secs"] = float(updated["interval_secs"])
+        except (TypeError, ValueError):
+            pass
+    return updated
+
+
+def validate_recurrence(record: Dict[str, Any]) -> bool:
+    """Return True when *record* satisfies all Recurrence invariants."""
+    required = ["message", "interval_secs", "fired_at"]
+    for field in required:
+        if field not in record or record[field] is None:
+            logger.warning("validate_recurrence: missing field %r", field)
+            return False
+    return isinstance(record.get("id"), str)
+
+
+def schedule_recurrence_batch(
+    records: List[Dict[str, Any]],
+    batch_size: int = 50,
+) -> List[List[Dict[str, Any]]]:
+    """Slice *records* into chunks of *batch_size* for bulk schedule."""
+    return [records[i : i + batch_size]
+            for i in range(0, len(records), batch_size)]

worker.py

@@ -0,0 +1,78 @@
+"""Smart Reminder — Reminder service layer."""
+from __future__ import annotations
+
+import logging
+from typing import Any, Dict, List, Optional
+
+logger = logging.getLogger(__name__)
+
+
+class SmartWorker:
+    """Business-logic service for Reminder operations in Smart Reminder."""
+
+    def __init__(
+        self,
+        repo: Any,
+        events: Optional[Any] = None,
+    ) -> None:
+        self._repo   = repo
+        self._events = events
+        logger.debug("SmartWorker started")
+
+    def repeat(
+        self, payload: Dict[str, Any]
+    ) -> Dict[str, Any]:
+        """Execute the repeat workflow for a new Reminder."""
+        if "fired_at" not in payload:
+            raise ValueError("Missing required field: fired_at")
+        record = self._repo.insert(
+            payload["fired_at"], payload.get("interval_secs"),
+            **{k: v for k, v in payload.items()
+              if k not in ("fired_at", "interval_secs")}
+        )
+        if self._events:
+            self._events.emit("reminder.repeatd", record)
+        return record
+
+    def fire(self, rec_id: str, **changes: Any) -> Dict[str, Any]:
+        """Apply *changes* to a Reminder and emit a change event."""
+        ok = self._repo.update(rec_id, **changes)
+        if not ok:
+            raise KeyError(f"Reminder {rec_id!r} not found")
+        updated = self._repo.fetch(rec_id)
+        if self._events:
+            self._events.emit("reminder.fired", updated)
+        return updated
+
+    def snooze(self, rec_id: str) -> None:
+        """Remove a Reminder and emit a removal event."""
+        ok = self._repo.delete(rec_id)
+        if not ok:
+            raise KeyError(f"Reminder {rec_id!r} not found")
+        if self._events:
+            self._events.emit("reminder.snoozed", {"id": rec_id})
+
+    def search(
+        self,
+        fired_at: Optional[Any] = None,
+        status: Optional[str] = None,
+        limit:  int = 50,
+    ) -> List[Dict[str, Any]]:
+        """Search reminders by *fired_at* and/or *status*."""
+        filters: Dict[str, Any] = {}
+        if fired_at is not None:
+            filters["fired_at"] = fired_at
+        if status is not None:
+            filters["status"] = status
+        rows, _ = self._repo.query(filters, limit=limit)
+        logger.debug("search reminders: %d hits", len(rows))
+        return rows
+
+    @property
+    def stats(self) -> Dict[str, int]:
+        """Quick summary of Reminder counts by status."""
+        result: Dict[str, int] = {}
+        for status in ("active", "pending", "closed"):
+            _, count = self._repo.query({"status": status}, limit=0)
+            result[status] = count
+        return result