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修复图表实时观测叠加缓存降级

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This commit is contained in:
2569718930@qq.com
2026-06-16 16:29:09 +08:00
parent a2d9051be1
commit 6943f637ad
4 changed files with 441 additions and 21 deletions
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web/services/latest_observation_overlay.py
+171 -9
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@@ -198,16 +198,33 @@ def _jma_observation_update(
}
def _jma_today_point(local_time: str, obs_time: str, temp: float) -> dict[str, Any]:
def _observation_today_point(
local_time: str,
obs_time: str,
temp: float,
*,
source_code: str,
source_label: str,
) -> dict[str, Any]:
return {
"time": local_time,
"temp": round(float(temp), 1),
"obs_time": obs_time,
"source_code": "jma_amedas",
"source_label": "JMA",
"source_code": source_code,
"source_label": source_label,
}
def _jma_today_point(local_time: str, obs_time: str, temp: float) -> dict[str, Any]:
return _observation_today_point(
local_time,
obs_time,
temp,
source_code="jma_amedas",
source_label="JMA",
)
def _replace_or_append_today_point(
rows: Any,
point: dict[str, Any],
@@ -449,6 +466,82 @@ def _raw_observation_update(
}
def _first_text(*values: Any) -> str:
for value in values:
text = str(value or "").strip()
if text:
return text
return ""
def _raw_source_observation_update(
city: str,
row: dict[str, Any],
raw_payload: dict[str, Any],
*,
source_code: str,
default_label: str,
temp_keys: tuple[str, ...] = ("temp", "temp_c"),
observed_at_keys: tuple[str, ...] = ("observation_time", "obs_time", "observed_at"),
) -> Optional[dict[str, Any]]:
temp = None
for key in temp_keys:
temp = _to_float(raw_payload.get(key))
if temp is not None:
break
if temp is None:
return None
observed_at = _first_text(
*(raw_payload.get(key) for key in observed_at_keys),
row.get("observed_at"),
)
observed_at_local = _first_text(
raw_payload.get("observation_time_local"),
raw_payload.get("observed_at_local"),
row.get("observed_at_local"),
)
normalized_source = str(source_code or raw_payload.get("source") or "").strip().lower()
source_label = _first_text(raw_payload.get("source_label"), default_label, normalized_source.upper())
station_code = _first_text(
raw_payload.get("icao"),
raw_payload.get("station_code"),
raw_payload.get("istNo"),
row.get("station_code"),
)
station_name = _first_text(
raw_payload.get("station_label"),
raw_payload.get("station_name"),
raw_payload.get("name"),
row.get("station_name"),
source_label,
)
freshness = {
"freshness_status": "fresh",
"observed_at": observed_at or None,
"observed_at_local": observed_at_local or None,
"source_code": normalized_source,
"source_label": source_label,
}
update = {
"temp": round(temp, 1),
"source_code": normalized_source,
"source_label": source_label,
"station_code": station_code or None,
"station_name": station_name,
"observed_at": observed_at or None,
"observed_at_local": observed_at_local or None,
"obs_time": observed_at or observed_at_local,
"freshness": freshness,
"observation_status": "live",
"city": city,
}
if normalized_source:
update["settlement_source"] = normalized_source
update["settlement_source_label"] = source_label
return update
def _merge_observation_block(
payload: dict[str, Any],
key: str,
@@ -737,7 +830,8 @@ def overlay_latest_cwa_observation(weather, city, payload):
return payload
raw_epoch = parse_observation_epoch(obs_time)
if raw_epoch is None:
local_dt = _parse_observation_datetime(obs_time)
if raw_epoch is None or local_dt is None:
return payload
existing_epochs = [
epoch
@@ -748,13 +842,18 @@ def overlay_latest_cwa_observation(weather, city, payload):
)
if epoch is not None
]
if existing_epochs and max(existing_epochs) >= raw_epoch:
if existing_epochs and max(existing_epochs) > raw_epoch:
return payload
source_label = str(cwa_data.get("source_label") or "CWA").strip() or "CWA"
current = cwa_data.get("current") if isinstance(cwa_data.get("current"), dict) else {}
max_so_far = _to_float(current.get("max_temp_so_far") if current else None)
update = {
"temp": round(float(temp), 1),
"source_code": "cwa",
"source_label": str(cwa_data.get("source_label") or "CWA").strip(),
"source_label": source_label,
"settlement_source": "cwa",
"settlement_source_label": source_label,
"station_code": str(cwa_data.get("station_code") or "466920").strip(),
"station_name": str(cwa_data.get("station_name") or "\u81fa\u5317").strip(),
"observed_at": obs_time,
@@ -762,6 +861,9 @@ def overlay_latest_cwa_observation(weather, city, payload):
"observation_status": "live",
"city": normalized_city,
}
if max_so_far is not None:
update["max_so_far"] = round(float(max_so_far), 1)
update["max_temp_so_far"] = round(float(max_so_far), 1)
next_payload = deepcopy(payload)
changed = False
@@ -786,6 +888,46 @@ def overlay_latest_cwa_observation(weather, city, payload):
next_payload["canonical_temperature"] = canonical_payload
changed = True
local_date = local_dt.date().isoformat()
local_time = local_dt.strftime("%H:%M")
previous_local_date = str(next_payload.get("local_date") or "")
if next_payload.get("local_date") != local_date:
next_payload["local_date"] = local_date
changed = True
if next_payload.get("local_time") != local_time:
next_payload["local_time"] = local_time
changed = True
overview = next_payload.get("overview")
if not isinstance(overview, dict):
overview = {}
next_overview = dict(overview)
overview_updates = {
"local_date": local_date,
"local_time": local_time,
"current_temp": round(float(temp), 1),
"airport_primary": update,
}
for key, value in overview_updates.items():
if next_overview.get(key) != value:
next_overview[key] = value
changed = True
next_payload["overview"] = next_overview
replace_today_series = bool(previous_local_date and previous_local_date != local_date)
_sync_jma_today_series(
next_payload,
_observation_today_point(
local_time,
obs_time,
temp,
source_code="cwa",
source_label=source_label,
),
replace_all=replace_today_series,
)
changed = True
return next_payload if changed else payload
# ═══════════════════════════════════════════════════════════════════════════════
@@ -832,7 +974,13 @@ def overlay_latest_amos_observation(db, city, payload):
raw_epoch = _raw_amos_epoch(row, raw_payload)
if raw_epoch is None:
return payload
update = _raw_observation_update(normalized_city, row, raw_payload)
update = _raw_source_observation_update(
normalized_city,
row,
raw_payload,
source_code="amos",
default_label="AMOS",
)
if not update:
return payload
@@ -913,7 +1061,14 @@ def overlay_latest_hko_observation(db, city, payload):
raw_epoch = _raw_hko_epoch(row, raw_payload)
if raw_epoch is None:
return payload
update = _raw_observation_update(normalized_city, row, raw_payload)
update = _raw_source_observation_update(
normalized_city,
row,
raw_payload,
source_code="hko_obs",
default_label="HKO",
observed_at_keys=("obs_time", "observation_time", "observed_at"),
)
if not update:
return payload
@@ -987,7 +1142,14 @@ def overlay_latest_mgm_observation(db, city, payload):
raw_epoch = _raw_mgm_epoch(row, raw_payload)
if raw_epoch is None:
return payload
update = _raw_observation_update(normalized_city, row, raw_payload)
update = _raw_source_observation_update(
normalized_city,
row,
raw_payload,
source_code="mgm",
default_label="MGM",
observed_at_keys=("obs_time", "observation_time", "observed_at"),
)
if not update:
return payload