Merge pull request #49 from UW-Macrostrat/ingestion-fixes

Map ingestion fixes

Author: davenquinn

.idea/tileserver.iml

@@ -13,7 +13,7 @@ ENV PIP_DISABLE_PIP_VERSION_CHECK=1 POETRY_VIRTUALENVS_CREATE=false
 
 RUN python3 -m venv /poetry-env
 RUN /poetry-env/bin/pip install -U pip setuptools
-RUN /poetry-env/bin/pip install poetry
+RUN /poetry-env/bin/pip install poetry==1.8.4
 
 
 WORKDIR /app/

Dockerfile

@@ -14,7 +14,6 @@
     connect_to_db,
     register_table_catalog,
 )
-from timvt.settings import PostgresSettings
 from timvt.layer import FunctionRegistry
 from titiler.core.errors import DEFAULT_STATUS_CODES, add_exception_handlers
 from titiler.core.factory import TilerFactory
@@ -30,6 +29,7 @@
 from pathlib import Path
 from time import time
 
+from .map_ingestion import register_map_ingestion_routes
 
 from typing import Any, Optional
 from buildpg import asyncpg
@@ -100,9 +100,8 @@ async def startup_event():
 
     # Apply fixtures
     # apply_fixtures(db_settings.database_url)
-    await register_table_catalog(app, schemas=["sources"])
+    # await register_table_catalog(app, schemas=["sources"])
     prepare_image_tile_subsystem()
-    print("Application started.")
 
 
 @app.on_event("startup")
@@ -138,6 +137,10 @@ async def shutdown_event():
 
 app.add_middleware(CompressionMiddleware, minimum_size=0)
 
+# Map ingestion
+register_map_ingestion_routes(app)
+
+
 MapnikLayerFactory(app)
 
 cog = TilerFactory()
@@ -148,8 +151,8 @@ async def shutdown_event():
 
 # Register endpoints.
 mvt_tiler = CachedVectorTilerFactory(
-    with_tables_metadata=True,
-    with_functions_metadata=True,  # add Functions metadata endpoints (/functions.json, /{function_name}.json)
+    with_tables_metadata=False,
+    with_functions_metadata=False,  # add Functions metadata endpoints (/functions.json, /{function_name}.json)
     with_viewer=False,
 )
 

macrostrat_tileserver/main.py

@@ -17,23 +17,33 @@ async def rgeom(
     y: int,
 ):
     """Get a tile from the tileserver."""
-    pool = request.app.state.pool
+    return await get_rgeom(request.app.state.pool, z=z, x=x, y=y)
 
+
+@router.get("/bounds/{slug}/{z}/{x}/{y}")
+async def rgeom_slug(
+    request: Request,
+    slug: str,
+    z: int,
+    x: int,
+    y: int,
+):
+    """Get a tile from the tileserver."""
+    return await get_rgeom(
+        request.app.state.pool, where="slug = :slug", z=z, x=x, y=y, slug=slug
+    )
+
+
+async def get_rgeom(pool, *, where="is_finalized = true", **params):
     async with pool.acquire() as con:
-        data = await run_layer_query(
-            con,
-            "bounds",
-            z=z,
-            x=x,
-            y=y,
-        )
+        data = await run_layer_query(con, "bounds", where=where, **params)
     kwargs = {}
     kwargs.setdefault("media_type", MimeTypes.pbf.value)
     return Response(data, **kwargs)
 
 
-async def run_layer_query(con, layer_name, **params):
-    query = get_layer_sql(layer_name)
+async def run_layer_query(con, layer_name, *, where="true", **params):
+    query = get_layer_sql(layer_name, where=where)
     q, p = render(query, layer_name=layer_name, **params)
 
     # Overcomes a shortcoming in buildpg that deems casting to an array as unsafe
@@ -43,7 +53,7 @@ async def run_layer_query(con, layer_name, **params):
     return await con.fetchval(q, *p)
 
 
-def get_layer_sql(layer: str):
+def get_layer_sql(layer: str, *, where="true"):
     query = __here__ / "queries" / (layer + ".sql")
     q = query.read_text()
     q = q.strip()
@@ -52,6 +62,7 @@ def get_layer_sql(layer: str):
 
     # Replace the envelope with the function call. Kind of awkward.
     q = q.replace(":envelope", "tile_utils.envelope(:x, :y, :z)")
+    q = q.replace(":where", where)
 
     # Wrap with MVT creation
     return f"WITH feature_query AS ({q}) SELECT ST_AsMVT(feature_query, :layer_name) FROM feature_query"

macrostrat_tileserver/map_bounds/__init__.py

@@ -5,6 +5,7 @@ WITH tile AS (
 ), sources AS (
   SELECT
     source_id,
+    is_finalized,
     name,
     slug,
     scale,
@@ -15,7 +16,7 @@ WITH tile AS (
   FROM maps.sources, tile
   WHERE
     rgeom is NOT NULL
-    AND status_code = 'active'
+    AND :where
     AND ST_Intersects(rgeom, envelope_4326)
 )
 SELECT * FROM sources z

macrostrat_tileserver/map_bounds/queries/bounds.sql

@@ -0,0 +1,249 @@
+from pathlib import Path
+
+from buildpg import render, Renderer
+from fastapi import APIRouter, Request, Response
+from timvt.resources.enums import MimeTypes
+from titiler.core.models.mapbox import TileJSON
+from asyncpg import UndefinedTableError
+from enum import Enum
+from macrostrat.utils import get_logger
+from macrostrat.database.utils import format as format_sql
+
+print_sql_statements = False
+
+router = APIRouter()
+log = get_logger("uvicorn.error")
+
+__here__ = Path(__file__).parent
+
+
+class FeatureType(str, Enum):
+    """Feature types."""
+
+    polygons = "polygons"
+    lines = "lines"
+    points = "points"
+
+
+@router.get(
+    "/{slug}/tilejson.json",
+    response_model=TileJSON,
+    responses={200: {"description": "Return a tilejson"}},
+    response_model_exclude_none=True,
+)
+async def tilejson(
+    request: Request,
+    slug: str,
+):
+    """Return TileJSON document."""
+    url_path = request.url_for(
+        "tile", **{"slug": slug, "z": "{z}", "x": "{x}", "y": "{y}"}
+    )
+
+    tile_endpoint = str(url_path)
+
+    bounds_query = f"""
+    SELECT geom FROM sources.{slug}_polygons
+    UNION
+    SELECT geom FROM sources.{slug}_lines
+    UNION
+    SELECT geom FROM sources.{slug}_points
+    """
+
+    sql = get_bounds(bounds_query, geometry_column="geom")
+    pool = request.app.state.pool
+    async with pool.acquire() as con:
+        bounds = await con.fetchval(sql)
+
+    return {
+        "minzoom": 0,
+        "maxzoom": 18,
+        "name": slug,
+        "bounds": bounds,
+        "tiles": [tile_endpoint],
+    }
+
+
+@router.get("/{slug}/{z}/{x}/{y}")
+async def tile(
+    request: Request,
+    slug: str,
+    z: int,
+    x: int,
+    y: int,
+):
+
+    # if feature_type != FeatureType.polygons:
+    #    return Response(status_code=404, content="Only polygons are supported for now")
+
+    """Get a tile from the tileserver."""
+    pool = request.app.state.pool
+
+    data = b""
+    success = False
+    for layer in FeatureType:
+        try:
+            data += await get_layer(pool, slug, layer, z=z, x=x, y=y)
+            success = True
+        except UndefinedTableError:
+            pass
+    if not success:
+        return Response(status_code=404, content=f"No tables found for {slug}")
+
+    kwargs = {}
+    kwargs.setdefault("media_type", MimeTypes.pbf.value)
+    return Response(data, **kwargs)
+
+
+async def get_layer(pool, slug, layer: FeatureType, **params):
+    async with pool.acquire() as con:
+        table_name = f"{slug}_{layer}"
+        alias = "s"
+        column_dict = await get_table_columns(con, table_name, schema="sources")
+        log.debug("Columns: %s", column_dict)
+        columns = [
+            format_column(k, v, cast_empty_strings=True, table_alias=alias)
+            for k, v in column_dict.items()
+            if k != "geom"
+        ]
+        columns.append("tile_layers.tile_geom(s.geom, :envelope) AS geometry")
+
+        joins = None
+        if layer == FeatureType.polygons:
+            joins = [
+                "LEFT JOIN macrostrat.intervals i0 ON s.b_interval = i0.id",
+                "LEFT JOIN macrostrat.intervals i1 ON s.t_interval = i1.id",
+            ]
+
+            b_age = "i0.age_bottom"
+            t_age = "i1.age_top"
+            # Eventually we will allow b_age and t_age to be set directly
+            # b_age = "coalesce(s.b_age, i0.age_bottom)"
+            # t_age = "coalesce(s.t_age, i1.age_top)"
+            columns += [
+                b_age + "::float AS b_age",
+                t_age + "::float AS t_age",
+                _color_subquery(b_age, t_age, "color"),
+            ]
+
+        return await run_layer_query(
+            con,
+            f"sources.{table_name}",
+            columns,
+            joins=joins,
+            table_alias=alias,
+            layer_name=f"{layer}",
+            **params,
+        )
+
+
+string_data_types = [
+    "character varying",
+    "text",
+]
+
+
+def format_column(
+    col, data_type, table_alias=None, cast_empty_strings=False, name=None
+):
+    val = _wrap_with_quotes(col)
+    if name is None:
+        name = val
+    if table_alias is not None:
+        val = f"{table_alias}.{val}"
+    if cast_empty_strings and data_type in string_data_types:
+        val = f"NULLIF({val}, '')::text"
+    return f"{val} AS {name}"
+
+
+def _color_subquery(b_age, t_age, alias):
+    return f"""(
+    SELECT interval_color
+      FROM macrostrat.intervals
+      WHERE age_top <= {t_age} AND age_bottom >= {b_age}
+      ORDER BY age_bottom - age_top
+      LIMIT 1
+    ) AS {alias}"""
+
+
+async def run_layer_query(
+    con,
+    table_name,
+    columns,
+    *,
+    joins=None,
+    layer_name="default",
+    table_alias=None,
+    **params,
+):
+    _cols = ", ".join(columns)
+    query = f"SELECT {_cols} FROM {table_name}"
+    if table_alias:
+        query += f" AS {table_alias}"
+
+    if joins:
+        query += "\n" + "\n".join(joins)
+
+    query = extend_sql(query)
+    params = dict(layer_name=layer_name, **params)
+
+    if print_sql_statements:
+        log.debug(
+            "Running query:\n%s\nParameters: %s",
+            format_sql(query, reindent=True),
+            params,
+        )
+
+    q, p = render(query, **params)
+
+    return await con.fetchval(q, *p)
+
+
+def _wrap_with_quotes(col):
+    if col[0] == '"' and col[-1] == '"':
+        col = col[1:-1]
+    if '"' in col:
+        col = col.replace('"', '""')
+    return '"' + col + '"'
+
+
+def extend_sql(sql):
+    q = sql.strip()
+    if q.endswith(";"):
+        q = q[:-1]
+
+    # Replace the envelope with the function call. Kind of awkward.
+    q = q.replace(":envelope", "tile_utils.envelope(:x, :y, :z)")
+
+    # Wrap with MVT creation
+    return f"WITH feature_query AS ({q}) SELECT ST_AsMVT(feature_query, :layer_name, 4096, 'geometry') FROM feature_query"
+
+
+def get_bounds(base_query, geometry_column="geometry"):
+    return f"""WITH b AS (
+        SELECT ST_Union(a.{geometry_column}::box2d)::box2d env
+        FROM ({base_query}) a
+    )
+    SELECT ARRAY[ST_XMin(env), ST_YMin(env), ST_XMax(env), ST_YMax(env)]
+    FROM b;
+    """
+
+
+async def get_table_columns(con, table, schema="sources"):
+    base_sql = f"""
+    SELECT column_name, data_type
+    FROM information_schema.columns
+    WHERE table_name = :table
+    AND table_schema = :schema;
+    """
+
+    q, p = render(base_sql, table=table, schema=schema)
+    res = await con.fetch(q, *p)
+    if len(res) == 0:
+        raise UndefinedTableError(f"Table {schema}.{table} not found")
+
+    return {i[0]: i[1] for i in res}
+
+
+def register_map_ingestion_routes(app):
+    app.include_router(router, tags=["Map ingestion"], prefix="/ingestion")