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-rw-r--r--uploader/genotypes/models.py24
-rw-r--r--uploader/genotypes/views.py178
2 files changed, 90 insertions, 112 deletions
diff --git a/uploader/genotypes/models.py b/uploader/genotypes/models.py
index 4c3e634..34d2cfe 100644
--- a/uploader/genotypes/models.py
+++ b/uploader/genotypes/models.py
@@ -31,16 +31,28 @@ def genotype_markers(
         species_id: int,
         offset: int = 0,
         limit: Optional[int] = None
-) -> tuple[dict, ...]:
+) -> tuple[tuple[dict, ...], int]:
     """Retrieve markers from the database."""
-    _query = "SELECT * FROM Geno WHERE SpeciesId=%s"
-    if bool(limit) and limit > 0:# type: ignore[operator]
-        _query = _query + f" LIMIT {limit} OFFSET {offset}"
+    _query_template = (
+        "SELECT %%COLS%% FROM Geno AS gno "
+        "WHERE gno.SpeciesId=%s "
+        "%%LIMIT%%")
 
     with conn.cursor(cursorclass=DictCursor) as cursor:
-        cursor.execute(_query, (species_id,))
+        cursor.execute(
+            _query_template.replace("%%LIMIT%%", "").replace(
+                "%%COLS%%", "COUNT(gno.Id) AS total_records"),
+            (species_id,))
+        _total_records = cursor.fetchone()["total_records"]
+        cursor.execute(
+            _query_template.replace("%%COLS%%", "gno.*").replace(
+                "%%LIMIT%%",
+                (f"LIMIT {int(limit)} OFFSET {int(offset)}"
+                 if bool(limit) and limit > 0
+                 else "")),
+            (species_id,))
         debug_query(cursor, app.logger)
-        return tuple(dict(row) for row in cursor.fetchall())
+        return tuple(dict(row) for row in cursor.fetchall()), _total_records
 
 
 def genotype_dataset(
diff --git a/uploader/genotypes/views.py b/uploader/genotypes/views.py
index 0433420..f27671c 100644
--- a/uploader/genotypes/views.py
+++ b/uploader/genotypes/views.py
@@ -1,23 +1,27 @@
 """Views for the genotypes."""
+import logging
+
 from MySQLdb.cursors import DictCursor
+from pymonad.either import Left, Right, Either
 from gn_libs.mysqldb import database_connection
 from flask import (flash,
                    request,
-                   url_for,
+                   jsonify,
                    redirect,
                    Blueprint,
                    render_template,
                    current_app as app)
 
+from uploader.flask_extensions import url_for
 from uploader.ui import make_template_renderer
 from uploader.oauth2.client import oauth2_post
 from uploader.authorisation import require_login
+from uploader.route_utils import generic_select_population
+from uploader.datautils import safe_int, enumerate_sequence
 from uploader.species.models import all_species, species_by_id
 from uploader.monadic_requests import make_either_error_handler
-from uploader.request_checks import with_species, with_population
-from uploader.datautils import safe_int, order_by_family, enumerate_sequence
-from uploader.population.models import (populations_by_species,
-                                        population_by_species_and_id)
+from uploader.population.models import population_by_species_and_id
+from uploader.request_checks import with_species, with_dataset, with_population
 
 from .models import (genotype_markers,
                      genotype_dataset,
@@ -25,61 +29,17 @@ from .models import (genotype_markers,
                      genotype_markers_count,
                      genocode_by_population)
 
+logger = logging.getLogger(__name__)
 genotypesbp = Blueprint("genotypes", __name__)
 render_template = make_template_renderer("genotypes")
 
-@genotypesbp.route("populations/genotypes", methods=["GET"])
-@require_login
-def index():
-    """Direct entry-point for genotypes."""
-    with database_connection(app.config["SQL_URI"]) as conn:
-        if not bool(request.args.get("species_id")):
-            return render_template("genotypes/index.html",
-                                   species=order_by_family(all_species(conn)),
-                                   activelink="genotypes")
-        species = species_by_id(conn, request.args.get("species_id"))
-        if not bool(species):
-            flash(f"Could not find species with ID '{request.args.get('species_id')}'!",
-                  "alert-danger")
-            return redirect(url_for("species.populations.genotypes.index"))
-        return redirect(url_for("species.populations.genotypes.select_population",
-                                species_id=species["SpeciesId"]))
-
-
-@genotypesbp.route("/<int:species_id>/populations/genotypes/select-population",
-                   methods=["GET"])
-@require_login
-@with_species(redirect_uri="species.populations.genotypes.index")
-def select_population(species: dict, species_id: int):
-    """Select the population under which the genotypes go."""
-    with database_connection(app.config["SQL_URI"]) as conn:
-        if not bool(request.args.get("population_id")):
-            return render_template("genotypes/select-population.html",
-                                   species=species,
-                                   populations=order_by_family(
-                                       populations_by_species(conn, species_id),
-                                       order_key="FamilyOrder"),
-                                   activelink="genotypes")
-
-        population = population_by_species_and_id(
-            conn, species_id, request.args.get("population_id"))
-        if not bool(population):
-            flash("Invalid population selected!", "alert-danger")
-            return redirect(url_for(
-                "species.populations.genotypes.select_population",
-                species_id=species_id))
-
-        return redirect(url_for("species.populations.genotypes.list_genotypes",
-                                species_id=species_id,
-                                population_id=population["Id"]))
-
 
 @genotypesbp.route(
     "/<int:species_id>/populations/<int:population_id>/genotypes",
     methods=["GET"])
 @require_login
-@with_population(species_redirect_uri="species.populations.genotypes.index",
-                 redirect_uri="species.populations.genotypes.select_population")
+@with_population(species_redirect_uri="species.list_species",
+                 redirect_uri="species.populations.list_species_populations")
 def list_genotypes(species: dict, population: dict, **kwargs):# pylint: disable=[unused-argument]
     """List genotype details for species and population."""
     with database_connection(app.config["SQL_URI"]) as conn:
@@ -97,34 +57,31 @@ def list_genotypes(species: dict, population: dict, **kwargs):# pylint: disable=
 
 
 @genotypesbp.route(
-    "/<int:species_id>/populations/<int:population_id>/genotypes/list-markers",
+    "/<int:species_id>/populations/<int:population_id>/genotypes/<int:dataset_id>/list-markers",
     methods=["GET"])
 @require_login
-@with_population(species_redirect_uri="species.populations.genotypes.index",
-                 redirect_uri="species.populations.genotypes.select_population")
-def list_markers(
-        species: dict,
-        population: dict,
-        **kwargs
-):# pylint: disable=[unused-argument]
-    """List a species' genetic markers."""
+@with_species(redirect_uri="species.populations.genotypes.list_genotypes")
+def list_markers(species: dict, **_kwargs):
+    """List the markers that exist for this species."""
+    args = request.args
+    offset = int(args.get("start") or 0)
     with database_connection(app.config["SQL_URI"]) as conn:
-        start_from = max(safe_int(request.args.get("start_from") or 0), 0)
-        count = safe_int(request.args.get("count") or 20)
-        return render_template("genotypes/list-markers.html",
-                               species=species,
-                               population=population,
-                               total_markers=genotype_markers_count(
-                                   conn, species["SpeciesId"]),
-                               start_from=start_from,
-                               count=count,
-                               markers=enumerate_sequence(
-                                   genotype_markers(conn,
-                                                    species["SpeciesId"],
-                                                    offset=start_from,
-                                                    limit=count),
-                                   start=start_from+1),
-                               activelink="list-markers")
+        markers, total_records = genotype_markers(
+            conn,
+            species["SpeciesId"],
+            offset=offset,
+            limit=int(args.get("length") or 0))
+        return jsonify({
+            **({"draw": int(args.get("draw"))}
+               if bool(args.get("draw") or False)
+               else {}),
+            "recordsTotal": total_records,
+            "recordsFiltered": len(markers),
+            "markers": tuple({**marker, "index": idx}
+                             for idx, marker in
+                             enumerate(markers, start=offset+1))
+        })
+
 
 @genotypesbp.route(
     "/<int:species_id>/populations/<int:population_id>/genotypes/datasets/"
@@ -137,14 +94,14 @@ def view_dataset(species_id: int, population_id: int, dataset_id: int):
         species = species_by_id(conn, species_id)
         if not bool(species):
             flash("Invalid species provided!", "alert-danger")
-            return redirect(url_for("species.populations.genotypes.index"))
+            return redirect(url_for("species.list_species"))
 
         population = population_by_species_and_id(
             conn, species_id, population_id)
         if not bool(population):
             flash("Invalid population selected!", "alert-danger")
             return redirect(url_for(
-                "species.populations.genotypes.select_population",
+                "species.populations.list_species_populations",
                 species_id=species_id))
 
         dataset = genotype_dataset(conn, species_id, population_id, dataset_id)
@@ -167,25 +124,32 @@ def view_dataset(species_id: int, population_id: int, dataset_id: int):
     "create",
     methods=["GET", "POST"])
 @require_login
-@with_population(species_redirect_uri="species.populations.genotypes.index",
-                 redirect_uri="species.populations.genotypes.select_population")
+@with_population(species_redirect_uri="species.list_species",
+                 redirect_uri="species.populations.list_species_populations")
 def create_dataset(species: dict, population: dict, **kwargs):# pylint: disable=[unused-argument]
     """Create a genotype dataset."""
+    if request.method == "GET":
+        return render_template("genotypes/create-dataset.html",
+                               species=species,
+                               population=population,
+                               activelink="create-dataset")
+
     with (database_connection(app.config["SQL_URI"]) as conn,
           conn.cursor(cursorclass=DictCursor) as cursor):
-        if request.method == "GET":
-            return render_template("genotypes/create-dataset.html",
-                                   species=species,
-                                   population=population,
-                                   activelink="create-dataset")
-
-        form = request.form
-        new_dataset = save_new_dataset(
-            cursor,
-            population["Id"],
-            form["geno-dataset-name"],
-            form["geno-dataset-fullname"],
-            form["geno-dataset-shortname"])
+
+        def __save_dataset__() -> Either:
+            form = request.form
+            try:
+                return Right(save_new_dataset(
+                    cursor,
+                    population["Id"],
+                    form["geno-dataset-name"],
+                    form["geno-dataset-fullname"],
+                    form["geno-dataset-shortname"]))
+            except Exception:
+                msg = "Error adding new Genotype dataset to database."
+                logger.error(msg, exc_info=True)
+                return Left(Exception(msg))
 
         def __success__(_success):
             flash("Successfully created genotype dataset.", "alert-success")
@@ -194,18 +158,20 @@ def create_dataset(species: dict, population: dict, **kwargs):# pylint: disable=
                 species_id=species["SpeciesId"],
                 population_id=population["Id"]))
 
-        return oauth2_post(
-            "auth/resource/genotypes/create",
-            json={
-                **dict(request.form),
-                "species_id": species["SpeciesId"],
-                "population_id": population["Id"],
-                "dataset_id": new_dataset["Id"],
-                "dataset_name": form["geno-dataset-name"],
-                "dataset_fullname": form["geno-dataset-fullname"],
-                "dataset_shortname": form["geno-dataset-shortname"],
-                "public": "on"
-            }
+        return __save_dataset__().then(
+            lambda new_dataset: oauth2_post(
+                "auth/resource/genotypes/create",
+                json={
+                    **dict(request.form),
+                    "species_id": species["SpeciesId"],
+                    "population_id": population["Id"],
+                    "dataset_id": new_dataset["Id"],
+                    "dataset_name": new_dataset["Name"],
+                    "dataset_fullname": new_dataset["FullName"],
+                    "dataset_shortname": new_dataset["ShortName"],
+                    "public": "on"
+                }
+            )
         ).either(
             make_either_error_handler(
                 "There was an error creating the genotype dataset."),