Delete species

api/species.go

@@ -155,3 +155,13 @@ func (s SpeciesService) Create(e *types.Entity, genus string, claims *types.Clai
 	}
 	return nil
 }
+
+// Delete deletes a single species
+func (s SpeciesService) Delete(id int64, genus string, claims *types.Claims) *types.AppError {
+	q := `DELETE FROM species WHERE id=$1;`
+	// TODO: fix this
+	if _, err := models.DBH.Exec(q, id); err != nil {
+		return newJSONError(err, http.StatusInternalServerError)
+	}
+	return nil
+}

handlers/handlers.go

@@ -74,6 +74,7 @@ func Handler() http.Handler {
 		r{handleCreater(speciesService), "POST", "/species"},
 		r{handleGetter(speciesService), "GET", "/species/{ID:.+}"},
 		r{handleUpdater(speciesService), "PUT", "/species/{ID:.+}"},
+		r{handleDeleter(speciesService), "DELETE", "/species/{ID:.+}"},
 		r{handleLister(strainService), "GET", "/strains"},
 		r{handleCreater(strainService), "POST", "/strains"},
 		r{handleGetter(strainService), "GET", "/strains/{ID:.+}"},

migrations/00004_AddStrain_up.sql

@@ -21,7 +21,7 @@ CREATE TABLE strains (
     deleted_by BIGINT NULL,
 
     CONSTRAINT strain_pkey PRIMARY KEY (id),
-    FOREIGN KEY (species_id) REFERENCES species(id),
+    FOREIGN KEY (species_id) REFERENCES species(id) ON DELETE CASCADE,
     FOREIGN KEY (created_by) REFERENCES users(id),
     FOREIGN KEY (updated_by) REFERENCES users(id),
     FOREIGN KEY (deleted_by) REFERENCES users(id)

migrations/00010_AddMeasurements_up.sql

@@ -20,7 +20,7 @@ CREATE TABLE measurements (
     updated_by BIGINT NOT NULL,
 
     CONSTRAINT strainscharmeasurements_pkey PRIMARY KEY (id),
-    FOREIGN KEY (strain_id) REFERENCES strains(id),
+    FOREIGN KEY (strain_id) REFERENCES strains(id) ON DELETE CASCADE,
     FOREIGN KEY (characteristic_id) REFERENCES characteristics(id) ON DELETE CASCADE,
     FOREIGN KEY (text_measurement_type_id) REFERENCES text_measurement_types(id),
     FOREIGN KEY (unit_type_id) REFERENCES unit_types(id),