feat: add clay percent field (#1123)

terraso_backend/apps/graphql/schema/schema.graphql

@@ -1111,6 +1111,7 @@ type DepthInterval {
 
 type DepthDependentSoilDataNode {
   texture: SoilIdDepthDependentSoilDataTextureChoices
+  clayPercent: Int
   rockFragmentVolume: SoilIdDepthDependentSoilDataRockFragmentVolumeChoices
   colorHueSubstep: SoilIdDepthDependentSoilDataColorHueSubstepChoices
   colorHue: SoilIdDepthDependentSoilDataColorHueChoices
@@ -2250,6 +2251,7 @@ input DepthDependentSoilDataUpdateMutationInput {
   siteId: ID!
   depthInterval: DepthIntervalInput!
   texture: SoilIdDepthDependentSoilDataTextureChoices
+  clayPercent: Int
   rockFragmentVolume: SoilIdDepthDependentSoilDataRockFragmentVolumeChoices
   colorHueSubstep: SoilIdDepthDependentSoilDataColorHueSubstepChoices
   colorHue: SoilIdDepthDependentSoilDataColorHueChoices

terraso_backend/apps/soil_id/graphql/soil_data.py

@@ -355,6 +355,7 @@ class Input:
         site_id = graphene.ID(required=True)
         depth_interval = graphene.Field(DepthIntervalInput, required=True)
         texture = DepthDependentSoilDataNode.texture_enum()
+        clay_percent = graphene.Int()
         rock_fragment_volume = DepthDependentSoilDataNode.rock_fragment_volume_enum()
         color_hue_substep = DepthDependentSoilDataNode.color_hue_substep_enum()
         color_hue = DepthDependentSoilDataNode.color_hue_enum()

terraso_backend/apps/soil_id/migrations/0009_depthdependentsoildata_clay_percent_and_more.py

@@ -0,0 +1,49 @@
+# Copyright © 2024 Technology Matters
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see https://www.gnu.org/licenses/.
+
+# Generated by Django 5.0.1 on 2024-01-18 01:02
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("soil_id", "0008_soildata_depth_interval_preset"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="depthdependentsoildata",
+            name="clay_percent",
+            field=models.IntegerField(
+                blank=True,
+                null=True,
+                validators=[
+                    django.core.validators.MinValueValidator(0),
+                    django.core.validators.MaxValueValidator(100),
+                ],
+            ),
+        ),
+        migrations.AlterField(
+            model_name="soildata",
+            name="depth_interval_preset",
+            field=models.CharField(
+                blank=True,
+                choices=[("LANDPKS", "Landpks"), ("NRCS", "Nrcs"), ("CUSTOM", "Custom")],
+                null=True,
+            ),
+        ),
+    ]

terraso_backend/apps/soil_id/models/depth_dependent_soil_data.py

@@ -46,6 +46,10 @@ class Texture(models.TextChoices):
 
     texture = models.CharField(blank=True, null=True, choices=Texture.choices)
 
+    clay_percent = models.IntegerField(
+        blank=True, null=True, validators=[MinValueValidator(0), MaxValueValidator(100)]
+    )
+
     class RockFragmentVolume(models.TextChoices):
         VOLUME_0_1 = "VOLUME_0_1", "0 — 1%"
         VOLUME_1_15 = "VOLUME_1_15", "1 — 15%"