File size: 3,337 Bytes
f726fd6 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | """Shared validation, response, and identifier helpers for the filesystem simulator."""
from __future__ import annotations
import copy
import hashlib
import re
from datetime import datetime
from typing import Any, Dict, Iterable, Optional
ID_PREFIXES: Dict[str, str] = {
"workspace": "workspace",
"user": "user",
"team": "team",
"node": "node",
"file_content": "content",
"operation": "op",
"snapshot": "snapshot",
"manifest": "manifest",
}
LEGACY_ID_PREFIXES: Dict[str, str] = {
"workspace": "WSP",
"user": "USR",
"team": "TEM",
"node": "NOD",
"file_content": "CNT",
"operation": "OPR",
"snapshot": "SNP",
"manifest": "MNF",
}
def success_response(data: Dict[str, Any], message: str = "") -> Dict[str, Any]:
return {"status": "success", "data": data, "message": message}
def error_response(error_code: str, message: str) -> Dict[str, Any]:
return {"status": "error", "data": {}, "message": f"{error_code}: {message}"}
def now_iso() -> str:
return datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ")
def safe_copy(value: Any) -> Any:
return copy.deepcopy(value)
def slugify(value: Any, *, fallback: str = "item") -> str:
text = str(value or "").strip().lower()
text = re.sub(r"[^a-z0-9]+", "-", text)
text = re.sub(r"-+", "-", text).strip("-")
return text or fallback
def generate_id(entity_type: str, sequence: int) -> str:
prefix = ID_PREFIXES.get(entity_type, entity_type.strip().lower() or "entity")
return f"{prefix}-generated-{int(sequence):04d}"
def validate_id_format(value: str, entity_type: str) -> bool:
prefix = ID_PREFIXES.get(entity_type)
if prefix is None:
return False
return bool(re.match(rf"^{re.escape(prefix)}-[a-z0-9][a-z0-9-]*$", str(value or "")))
def extract_id_sequence(value: Any, entity_type: Optional[str] = None) -> Optional[int]:
text = str(value or "")
match = re.search(r"-(\d{4,})$", text)
if match:
return int(match.group(1))
if entity_type:
legacy = LEGACY_ID_PREFIXES.get(entity_type)
if legacy:
legacy_match = re.fullmatch(rf"{re.escape(legacy)}_(\d+)", text)
if legacy_match:
return int(legacy_match.group(1))
return None
def build_humanized_id(
entity_type: str,
record: Dict[str, Any],
*,
existing_ids: Optional[Iterable[str]] = None,
) -> str:
existing = set(existing_ids or [])
prefix = ID_PREFIXES.get(entity_type, entity_type)
fields = [
record.get("workspace_id"),
record.get("path"),
record.get("name"),
record.get("reason"),
record.get("action"),
]
parts = [slugify(value) for value in fields if value]
base = f"{prefix}-" + "-".join(parts[:3]) if parts else f"{prefix}-generated"
base = re.sub(r"-+", "-", base).strip("-")
candidate = base
index = 2
while candidate in existing:
candidate = f"{base}-{index}"
index += 1
return candidate
def checksum_text(text: str) -> str:
return "sha256:" + hashlib.sha256(str(text).encode("utf-8")).hexdigest()
def byte_len(text: str) -> int:
return len(str(text).encode("utf-8"))
def line_count(text: str) -> int:
if text == "":
return 0
return len(str(text).splitlines()) or 1
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