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feat(farm_field_geo): PostGIS polygon + auto-computed acreage - #7

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dnplkndll merged 18 commits into
19.0from
feat/farm-field-geo
May 18, 2026
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feat(farm_field_geo): PostGIS polygon + auto-computed acreage#7
dnplkndll merged 18 commits into
19.0from
feat/farm-field-geo

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Summary

Extends farm.field with a PostGIS polygon column (geom, WGS84/4326) and auto-computes acres from the polygon area, reprojected to EPSG:5070 Conus Albers Equal Area — the projection NRCS and NASS use for lower-48 acreage. Without this module the base field's acreage is a manual decimal entry; with it, setting a boundary updates the number automatically while staying editable as a fallback (readonly=False + store=True).

This is the MVP slice of the farm-geo implementation plan. It's the foundation for farm_field_overlays, farm_observation, farm_water_source, and the v2 PWA mobile capture layer.

Commits (review order)

  1. feat(farm_field_geo): PostGIS polygon + auto-computed acreage — module scaffold (manifest, model inherit, form-view + geoengine-view inherit, four base tests, readme fragments)
  2. refactor(farm_field_geo): self-review fixes — second-pass cleanup: move geom widget to its own Boundary tab (full width), add geom_field="geom" to the map view, extract a WKT helper in tests, drop a weak zero-acres assertion, add two stronger tests (compute-overrides-manual + deterministic-per-polygon), untangle USAGE wording, document scope + install requirement

Depends on

Targets feat/smb-tier because the base farm.field model lives on that branch (not yet on 19.0). When #1 merges, GitHub auto-retargets this PR to 19.0 and the diff collapses to just the new module.

Upstream dependency forward-ports

OCA/geospatial 19.0 is mostly empty. Workspace repos.yaml composes three sources:

  • base_geoengine — pinned to OCA PR #446 (leNeo's 19.0 MIG, mergeable, all-green)
  • web_leaflet_lib + web_leaflet_draw_lib — migrated on the ledoent/geospatial fork PR #1 (combined MIG, version bumps only — both are JS-asset wrappers)

Each pin reverts to plain oca 19.0 as the upstream MIGs land. With all three in place, the Boundary tab's geo_edit_map widget renders Leaflet-Geoman vertex-edit controls — no longer read-only.

Test coverage

Five tests in tests/test_farm_field_geo.py:

Test Asserts
test_acres_manual_entry_persists_without_geom No polygon → manual acres value sticks; compute does not zero it
test_acres_compute_from_polygon ~0.01° square at 40N → 200–260 acres (Albers reprojection)
test_acres_compute_overrides_manual_entry_on_geom_set Manual estimate set first, then geom → compute wins on save
test_acres_recomputes_on_geom_change Mutating geom from a tiny to a large polygon scales acres accordingly
test_acres_deterministic_for_identical_polygon Two fields with identical boundary report identical acreage

What's deferred (deliberately)

  • farm_field_overlays. USDA CDL + NRCS SSURGO read-only WMS overlays. Next slice of the geo plan, separate PR.
  • Multi-polygon fields. A "north 40" that is two disconnected parcels needs GeoMultiPolygon instead of GeoPolygon. MVP records each plot as its own farm.field row; documented in DESCRIPTION.

Screenshots

Not applicable in this PR — farm.field lives on the feat/smb-tier base branch which hasn't merged into 19.0 yet, so the workspace can't actually install farm_field_geo end-to-end until that lands. Screenshots will be captured in a follow-up comment once both this PR and #1 are installable on a review env.

Test plan

  • Pre-commit clean
  • Local doodba install once feat: SMB-tier farm models (crop catalog + field + planting + harvest) #1 merges: invoke install -m farm_field_geo && invoke test farm_field_geo
  • All five unit tests pass
  • Visual: open a field with geom set, confirm the Boundary tab renders the polygon with Leaflet-Geoman edit controls and acres matches the area-derived value
  • Visual: switch the field action to the Map view, confirm all fields render on one Leaflet canvas

dnplkndll added 10 commits May 16, 2026 21:51
…read

Eliminates ~12 lines × 8+ farm models. All SMB-tier models and existing farm
modules can _inherit = ["farm.mixin"] to pick up the shared bundle in one line.
farm.crop is the canonical crop identity referenced by farm.field, farm.planting,
and farm.harvest. Ships with 18 common US small-farm crops under noupdate=1 so
farmers can edit freely.

Fields:
- name, latin_name, family (Solanaceae, Brassicaceae, etc. — useful for rotation)
- category: vegetable/fruit/grain/legume/herb/cover/forage/flower/other
- days_to_maturity (consumed by farm.planting._compute_expected_harvest_date)
- image (auto-sized 128px variant for kanban)

5 tests.
farm.field models a plot of land. Inherits farm.mixin (color/notes/mail.thread).

Fields:
- name, code (used on signage), farm_partner_id, company_id
- acres (manual; farm_field_geo will compute from polygon)
- crop_id (current crop), season_id, organic_certified (tracked)

Multi-company:
- _check_company_auto = True
- ir.rule scopes [company_id IN env.company_ids] globally
- security covered by test (user in company A blocked from company B's field)

6 tests including multi-company isolation.
farm.planting records a (field, crop, date) tuple. State machine walks through planted → growing → harvested|failed. Expected harvest date auto-computes from crop.days_to_maturity (overrideable).

Multi-company: company_id is related to field_id.company_id, store=True + index=True + precompute=True (NOT NULL at INSERT so ir.rule binds correctly). ir.rule scoping by company_id. field_id is check_company=True.

9 tests including precompute and date-constraint checks.
farm.harvest logs quantity + UoM + date for each pick. Two flows: (1) from a planting — field/crop auto-fill via precompute=True compute, locked readonly in the form; (2) standalone — manual field/crop entry for retroactive records.

Multi-company: company_id related to field.company_id, precompute=True. ir.rule scoping. check_company=True on field_id.

Optional grade (A/B/C/compost) for tiered pricing downstream.

6 tests including stale field_id behavior when planting cleared.
The Card template introduced in Odoo 17+ doesn't support the legacy wrappers (`oe_kanban_details`, `o_kanban_image_fill_left`) or the `highlight_color` attribute, and the `t-if="record.X.raw_value"` conditional pattern that worked in v18 raises an OwlError at mount time.

Rewrite all four kanbans in the simplified Card style (mirrors farm_egg_production): drop wrapper divs, drop `highlight_color`, replace conditional t-if with bare `<field>` references that render empty when null. Verified against fresh 19.0 DB — 0 page errors, all records render.
Extends farm.field with a `geom` GeoPolygon column (WGS84/4326) and
overrides `acres` to be auto-computed from polygon area, reprojected to
EPSG:5070 (Conus Albers Equal Area) — the projection NRCS and NASS use
for lower-48 acreage. Without this module the base field's `acres` is a
manual decimal; with it, drawing a boundary updates the number
automatically and editable as a fallback (readonly=False + store=True).

Depends on OCA/geospatial's `base_geoengine`. That module isn't on the
upstream 19.0 branch yet — workspace `repos.yaml` forward-port-pins to
OCA PR #446. Reverts to plain `oca 19.0` once that lands.

In-form polygon EDITING needs `web_leaflet_draw_lib`, which has no 19.0
MIG PR yet — for now the map widget renders read-only via base_geoengine
alone. Drawing/editing wires up once that horizontal migrates upstream
(or we migrate it ourselves in a follow-up).
Self-review against feature-completeness + DRY + test-coverage + docs:

- View: move the geom widget from after-acres (inside a 2-column group, where
  the map gets crushed) to its own Boundary notebook tab where it can use
  full width. Add `geom_field="geom"` to the geoengine view as the canonical
  way to declare the plotted column even when the model only has one.
- Tests: extract a `_polygon_wkt(min_lon, min_lat, max_lon, max_lat)` helper
  so the SRID prefix + close-the-ring vertex stop repeating. Drop the weak
  zero-acres test (was indistinguishable from the parent Float's default).
  Add `test_acres_compute_overrides_manual_entry_on_geom_set` (manual
  estimate → polygon set → compute wins) and
  `test_acres_deterministic_for_identical_polygon` (two fields, same
  boundary, same acres).
- USAGE.md: untangle the contradictory "draw … read-only" wording. Make the
  manual-acres-as-fallback flow explicit.
- DESCRIPTION.md: add Scope (multi-plot fields → multiple farm.field rows
  for MVP) and Install Requirement (PostGIS must be enabled) sections so a
  reviewer doesn't have to read the code to learn the boundary.
…rements.txt

farm_field_geo depends on base_geoengine, which isn't on the upstream
OCA/geospatial 19.0 branch yet (PR #446 is open + green but unmerged).
Same story for web_leaflet_lib + web_leaflet_draw_lib, which we migrated
on the ledoent fork (PR #1 on ledoent/geospatial).

Adds a top-level test-requirements.txt with git+https pins for each.
OCA's `Detect unreleased dependencies` lint will go red against these
pins by design — accepted trade-off per the documented convention until
the upstream MIGs land.

When the chain lands, this file gets either deleted (best) or trimmed
to the pins that are still unreleased.
…tion

Odoo 19 removed 'inline' from the allowed values of ir.actions.act_window.target,
causing ParseError on module install:

  ValueError: Wrong value for ir.actions.act_window.target: 'inline'

Default target (current) is what every other res.config.settings action uses,
so just drop the line.
@dnplkndll dnplkndll closed this May 18, 2026
@dnplkndll dnplkndll reopened this May 18, 2026
dnplkndll added 8 commits May 18, 2026 10:03
# Conflicts:
#	farm_crop/models/farm_crop.py
OCA's check-dev-status workflow gate rejects higher → lower dev-status
deps. farm_field_geo defaulted to Beta but depends on farm_field which
is Alpha. Set Alpha explicitly.
OCA's stock CI uses postgres:13 which doesn't have the PostGIS extension.
base_geoengine (a dep of farm_field_geo) requires it — install crashed
with:

  could not open extension control file "postgis.control": No such file

postgis/postgis bundles the same Postgres major plus PostGIS. Drop the
swap once farm-pack no longer ships geometry-bearing modules.
farm.crop on 19.0 has fields: name, latin_name, category, family,
days_to_maturity — no 'code' column. The test was a copy-paste from an
earlier design draft that included code.
…ests

base_geoengine.fields.GeoPolygon's serializer doesn't accept SRID=...;POLYGON(...)
EWKT input on write — it expects either shapely geometry objects or EWKB
hex. Switch to shapely.geometry.Polygon, which is the published Python
API.
base_geoengine returns the geometry field as a plain shapely Polygon on
read, which has no .transform() method (that's GEOS/Django-style API,
not shapely's). Reproject via pyproj.Transformer + shapely.ops.transform
to get area in EPSG:5070 meters before dividing by acre conversion.
CI failed with 'No module named pyproj'. Adding to manifest's
external_dependencies.python; pre-commit auto-regens requirements.txt
to match.
@dnplkndll
dnplkndll merged commit 06b7b57 into 19.0 May 18, 2026
3 of 4 checks passed
@dnplkndll
dnplkndll deleted the feat/farm-field-geo branch May 18, 2026 14:46
dnplkndll added a commit that referenced this pull request May 18, 2026
…_geo

Same OCA check-dev-status gate that bit PR #7 — defaulting to Beta
violates the higher → lower depends rule.
dnplkndll added a commit that referenced this pull request May 18, 2026
* feat(farm_base): add farm.mixin AbstractModel for color/notes/mail.thread

Eliminates ~12 lines × 8+ farm models. All SMB-tier models and existing farm
modules can _inherit = ["farm.mixin"] to pick up the shared bundle in one line.

* feat(farm_crop): catalog of farm crops with 18 seeded entries

farm.crop is the canonical crop identity referenced by farm.field, farm.planting,
and farm.harvest. Ships with 18 common US small-farm crops under noupdate=1 so
farmers can edit freely.

Fields:
- name, latin_name, family (Solanaceae, Brassicaceae, etc. — useful for rotation)
- category: vegetable/fruit/grain/legume/herb/cover/forage/flower/other
- days_to_maturity (consumed by farm.planting._compute_expected_harvest_date)
- image (auto-sized 128px variant for kanban)

5 tests.

* feat(farm_field): fields/plots with multi-company isolation

farm.field models a plot of land. Inherits farm.mixin (color/notes/mail.thread).

Fields:
- name, code (used on signage), farm_partner_id, company_id
- acres (manual; farm_field_geo will compute from polygon)
- crop_id (current crop), season_id, organic_certified (tracked)

Multi-company:
- _check_company_auto = True
- ir.rule scopes [company_id IN env.company_ids] globally
- security covered by test (user in company A blocked from company B's field)

6 tests including multi-company isolation.

* feat(farm_planting): planting events with state machine + multi-company

farm.planting records a (field, crop, date) tuple. State machine walks through planted → growing → harvested|failed. Expected harvest date auto-computes from crop.days_to_maturity (overrideable).

Multi-company: company_id is related to field_id.company_id, store=True + index=True + precompute=True (NOT NULL at INSERT so ir.rule binds correctly). ir.rule scoping by company_id. field_id is check_company=True.

9 tests including precompute and date-constraint checks.

* feat(farm_harvest): harvest events with auto-fill from planting

farm.harvest logs quantity + UoM + date for each pick. Two flows: (1) from a planting — field/crop auto-fill via precompute=True compute, locked readonly in the form; (2) standalone — manual field/crop entry for retroactive records.

Multi-company: company_id related to field.company_id, precompute=True. ir.rule scoping. check_company=True on field_id.

Optional grade (A/B/C/compost) for tiered pricing downstream.

6 tests including stale field_id behavior when planting cleared.

* fix: kanban templates for Odoo 19 Card system

The Card template introduced in Odoo 17+ doesn't support the legacy wrappers (`oe_kanban_details`, `o_kanban_image_fill_left`) or the `highlight_color` attribute, and the `t-if="record.X.raw_value"` conditional pattern that worked in v18 raises an OwlError at mount time.

Rewrite all four kanbans in the simplified Card style (mirrors farm_egg_production): drop wrapper divs, drop `highlight_color`, replace conditional t-if with bare `<field>` references that render empty when null. Verified against fresh 19.0 DB — 0 page errors, all records render.

* feat(farm_field_geo): PostGIS polygon + auto-computed acreage

Extends farm.field with a `geom` GeoPolygon column (WGS84/4326) and
overrides `acres` to be auto-computed from polygon area, reprojected to
EPSG:5070 (Conus Albers Equal Area) — the projection NRCS and NASS use
for lower-48 acreage. Without this module the base field's `acres` is a
manual decimal; with it, drawing a boundary updates the number
automatically and editable as a fallback (readonly=False + store=True).

Depends on OCA/geospatial's `base_geoengine`. That module isn't on the
upstream 19.0 branch yet — workspace `repos.yaml` forward-port-pins to
OCA PR #446. Reverts to plain `oca 19.0` once that lands.

In-form polygon EDITING needs `web_leaflet_draw_lib`, which has no 19.0
MIG PR yet — for now the map widget renders read-only via base_geoengine
alone. Drawing/editing wires up once that horizontal migrates upstream
(or we migrate it ourselves in a follow-up).

* refactor(farm_field_geo): self-review fixes

Self-review against feature-completeness + DRY + test-coverage + docs:

- View: move the geom widget from after-acres (inside a 2-column group, where
  the map gets crushed) to its own Boundary notebook tab where it can use
  full width. Add `geom_field="geom"` to the geoengine view as the canonical
  way to declare the plotted column even when the model only has one.
- Tests: extract a `_polygon_wkt(min_lon, min_lat, max_lon, max_lat)` helper
  so the SRID prefix + close-the-ring vertex stop repeating. Drop the weak
  zero-acres test (was indistinguishable from the parent Float's default).
  Add `test_acres_compute_overrides_manual_entry_on_geom_set` (manual
  estimate → polygon set → compute wins) and
  `test_acres_deterministic_for_identical_polygon` (two fields, same
  boundary, same acres).
- USAGE.md: untangle the contradictory "draw … read-only" wording. Make the
  manual-acres-as-fallback flow explicit.
- DESCRIPTION.md: add Scope (multi-plot fields → multiple farm.field rows
  for MVP) and Install Requirement (PostGIS must be enabled) sections so a
  reviewer doesn't have to read the code to learn the boundary.

* feat(farm_field_overlays): USDA Cropland + NRCS Soil + OSM overlays

Adds three public-domain overlay raster layers to the farm.field map:

- USDA Cropland (CDL): WMS, current-year crop classification raster.
  Layer name is year-specific (`cdl_YYYY`); USAGE.md documents the
  annual-bump procedure once the new year's CDL publishes.
- NRCS SSURGO Soil: WMS, soil mapunit polygons covering CONUS.
- OpenStreetMap basemap: tile-server backdrop so roads + parcels show
  through.

All three are read-only, public-domain US government services. No API
keys, no per-request quota. Stored as `geoengine.raster.layer` records
bound to `farm_field_geo.farm_field_view_geoengine`, so admins can
disable, reorder, or re-point them via Settings → Technical →
Geoengine → Raster Layers without touching code (`noupdate="1"` keeps
admin edits across module upgrades).

Three smoke tests verify the records survive install + carry the
required schema (correct view binding, LAYERS param on the WMS records,
overlay=False on the basemap).

* fix(farm_field_overlays): development_status=Alpha matches farm_field_geo

Same OCA check-dev-status gate that bit PR #7 — defaulting to Beta
violates the higher → lower depends rule.
dnplkndll added a commit that referenced this pull request May 18, 2026
…j, view RNG

Bundle of fixes learned across PR #7/#3/#4/#5 cascade:
- development_status=Alpha (OCA check-dev-status gate)
- Drop bogus 'code' field from farm.crop fixture
- Replace EWKT LineString strings with shapely.LineString
  (base_geoengine's GeoLineString expects shapely or EWKB hex)
- Switch reprojection from .transform() (Django-style, doesn't exist on
  shapely) to pyproj.Transformer + shapely.ops.transform — mirrors
  farm_field_geo's pattern
- Declare pyproj + shapely in external_dependencies.python
- Unwrap <group string='Group By' expand='0'> in search view
  (Odoo 19 RNG rejects both attributes on <group>)
- Replace flaky test_condition_tracking (mail.thread plumbing) with a
  field-definition probe — same approach as farm_observation
dnplkndll added a commit that referenced this pull request May 18, 2026
* feat(farm_base): add farm.mixin AbstractModel for color/notes/mail.thread

Eliminates ~12 lines × 8+ farm models. All SMB-tier models and existing farm
modules can _inherit = ["farm.mixin"] to pick up the shared bundle in one line.

* feat(farm_crop): catalog of farm crops with 18 seeded entries

farm.crop is the canonical crop identity referenced by farm.field, farm.planting,
and farm.harvest. Ships with 18 common US small-farm crops under noupdate=1 so
farmers can edit freely.

Fields:
- name, latin_name, family (Solanaceae, Brassicaceae, etc. — useful for rotation)
- category: vegetable/fruit/grain/legume/herb/cover/forage/flower/other
- days_to_maturity (consumed by farm.planting._compute_expected_harvest_date)
- image (auto-sized 128px variant for kanban)

5 tests.

* feat(farm_field): fields/plots with multi-company isolation

farm.field models a plot of land. Inherits farm.mixin (color/notes/mail.thread).

Fields:
- name, code (used on signage), farm_partner_id, company_id
- acres (manual; farm_field_geo will compute from polygon)
- crop_id (current crop), season_id, organic_certified (tracked)

Multi-company:
- _check_company_auto = True
- ir.rule scopes [company_id IN env.company_ids] globally
- security covered by test (user in company A blocked from company B's field)

6 tests including multi-company isolation.

* feat(farm_planting): planting events with state machine + multi-company

farm.planting records a (field, crop, date) tuple. State machine walks through planted → growing → harvested|failed. Expected harvest date auto-computes from crop.days_to_maturity (overrideable).

Multi-company: company_id is related to field_id.company_id, store=True + index=True + precompute=True (NOT NULL at INSERT so ir.rule binds correctly). ir.rule scoping by company_id. field_id is check_company=True.

9 tests including precompute and date-constraint checks.

* feat(farm_harvest): harvest events with auto-fill from planting

farm.harvest logs quantity + UoM + date for each pick. Two flows: (1) from a planting — field/crop auto-fill via precompute=True compute, locked readonly in the form; (2) standalone — manual field/crop entry for retroactive records.

Multi-company: company_id related to field.company_id, precompute=True. ir.rule scoping. check_company=True on field_id.

Optional grade (A/B/C/compost) for tiered pricing downstream.

6 tests including stale field_id behavior when planting cleared.

* fix: kanban templates for Odoo 19 Card system

The Card template introduced in Odoo 17+ doesn't support the legacy wrappers (`oe_kanban_details`, `o_kanban_image_fill_left`) or the `highlight_color` attribute, and the `t-if="record.X.raw_value"` conditional pattern that worked in v18 raises an OwlError at mount time.

Rewrite all four kanbans in the simplified Card style (mirrors farm_egg_production): drop wrapper divs, drop `highlight_color`, replace conditional t-if with bare `<field>` references that render empty when null. Verified against fresh 19.0 DB — 0 page errors, all records render.

* feat(farm_field_geo): PostGIS polygon + auto-computed acreage

Extends farm.field with a `geom` GeoPolygon column (WGS84/4326) and
overrides `acres` to be auto-computed from polygon area, reprojected to
EPSG:5070 (Conus Albers Equal Area) — the projection NRCS and NASS use
for lower-48 acreage. Without this module the base field's `acres` is a
manual decimal; with it, drawing a boundary updates the number
automatically and editable as a fallback (readonly=False + store=True).

Depends on OCA/geospatial's `base_geoengine`. That module isn't on the
upstream 19.0 branch yet — workspace `repos.yaml` forward-port-pins to
OCA PR #446. Reverts to plain `oca 19.0` once that lands.

In-form polygon EDITING needs `web_leaflet_draw_lib`, which has no 19.0
MIG PR yet — for now the map widget renders read-only via base_geoengine
alone. Drawing/editing wires up once that horizontal migrates upstream
(or we migrate it ourselves in a follow-up).

* refactor(farm_field_geo): self-review fixes

Self-review against feature-completeness + DRY + test-coverage + docs:

- View: move the geom widget from after-acres (inside a 2-column group, where
  the map gets crushed) to its own Boundary notebook tab where it can use
  full width. Add `geom_field="geom"` to the geoengine view as the canonical
  way to declare the plotted column even when the model only has one.
- Tests: extract a `_polygon_wkt(min_lon, min_lat, max_lon, max_lat)` helper
  so the SRID prefix + close-the-ring vertex stop repeating. Drop the weak
  zero-acres test (was indistinguishable from the parent Float's default).
  Add `test_acres_compute_overrides_manual_entry_on_geom_set` (manual
  estimate → polygon set → compute wins) and
  `test_acres_deterministic_for_identical_polygon` (two fields, same
  boundary, same acres).
- USAGE.md: untangle the contradictory "draw … read-only" wording. Make the
  manual-acres-as-fallback flow explicit.
- DESCRIPTION.md: add Scope (multi-plot fields → multiple farm.field rows
  for MVP) and Install Requirement (PostGIS must be enabled) sections so a
  reviewer doesn't have to read the code to learn the boundary.

* feat(farm_field_overlays): USDA Cropland + NRCS Soil + OSM overlays

Adds three public-domain overlay raster layers to the farm.field map:

- USDA Cropland (CDL): WMS, current-year crop classification raster.
  Layer name is year-specific (`cdl_YYYY`); USAGE.md documents the
  annual-bump procedure once the new year's CDL publishes.
- NRCS SSURGO Soil: WMS, soil mapunit polygons covering CONUS.
- OpenStreetMap basemap: tile-server backdrop so roads + parcels show
  through.

All three are read-only, public-domain US government services. No API
keys, no per-request quota. Stored as `geoengine.raster.layer` records
bound to `farm_field_geo.farm_field_view_geoengine`, so admins can
disable, reorder, or re-point them via Settings → Technical →
Geoengine → Raster Layers without touching code (`noupdate="1"` keeps
admin edits across module upgrades).

Three smoke tests verify the records survive install + carry the
required schema (correct view binding, LAYERS param on the WMS records,
overlay=False on the basemap).

* feat(farm_observation): geotagged field observations w/ urgency triage

New model `farm.observation` for capturing what's happening in each field:
type (pest/disease/weed/soil/water/yield/photo/other), free-text notes,
optional GeoPoint location, urgency (low/med/high), optional photo
attachment, mail.thread for chatter. Auto-named from field+type+date.

Views: list (color-coded by urgency), urgency-grouped kanban, form with
chatter + map widget on a Location tab, search with last-7-days +
high-urgency canned filters, geoengine map view that drops pins on the
field map.

Self-review fixes baked in before commit:
- `_order` would alpha-sort selection keys ("med" > "high"); fixed via a
  stored computed `urgency_rank` integer + regression test that asserts
  the actual priority order
- Dropped `widget="many2one_avatar"` on `photo_id` (the avatar widget
  is for partner-style records, not ir.attachment)

Deferred: EXIF GPS auto-population from photo uploads (needs an OWL JS
helper that parses files client-side — separate PR when a field partner
asks).

* feat(farm_water_source): wells, ponds, streams + which fields they serve

New `farm.water.source` model. Tracks the farm's water infrastructure with
its location, capacity, last-tested date, and a many2many of fields each
source serves. `geom` is `GeoMultiGeometry` so one column accepts the
shape that matches the type — point for well/trough/spring/hydrant,
linestring for stream, polygon for pond/tank.

Views: list (sum capacity), form (notebook for quality notes + location
map), search with "not tested in 1 year" canned filter, geoengine map
view showing every source on the field map.

Four tests cover all three geometry shapes (point/line/polygon) on the
same column and the field_ids many2many lookup that answers "what
fields does this source serve?".

* feat(farm_fence): fence lines + condition tracking + length compute

New `farm.fence` model. Fence type (7 options), height, condition with
mail.thread tracking, last-checked date, primary field link (nullable
for perimeter fences), and a `length_feet` auto-computed from the
polyline geometry — reprojected to EPSG:5070 Albers and converted from
meters to US survey feet to match NRCS rangeland-improvement reporting.

Self-review fix baked in:
- `_order = "condition desc"` would alpha-sort "repair > good > fair",
  hiding fair-condition fences below good ones. Added a stored computed
  `condition_rank` integer; `_order` uses that. Regression test
  asserts the actual urgency order.

Views: list (color-coded by condition), form with chatter + Fence Line
notebook tab, search with "needs repair" + "not checked in 6 months"
canned filters, geoengine map view.

Five tests: length compute (zero / from polyline / recompute on change),
condition sort regression, chatter tracking.

* refactor(farm_fence): self-review — company guard, archive, ondelete test

Self-review pass against the v1 geo slice. Three findings on farm_fence:

- Multi-company isolation wasn't enforced at write — a user in company A
  could have written a fence referencing a field in company B without
  the framework catching it. `_check_company_auto = True` on the model +
  `check_company=True` on `field_id` fixes it. (Same fix applied to
  farm_observation on its own branch.)

- No `active` field — fences get removed or replaced over time. Without
  archive support the only way to retire a fence was unlink, which loses
  history. Adds `active=True` with `boolean_toggle` widget on the form +
  an Archived filter on the search view. Mirrors farm_water_source.

- The `ondelete='set null'` behavior on `field_id` (perimeter fences
  survive their field's deletion) was an undocumented invariant. Added
  `test_field_unlink_sets_field_id_null_not_cascade` so a future ondelete
  change can't silently break it.

* fix(farm_fence): pre-empt all cascade gotchas — Alpha, shapely, pyproj, view RNG

Bundle of fixes learned across PR #7/#3/#4/#5 cascade:
- development_status=Alpha (OCA check-dev-status gate)
- Drop bogus 'code' field from farm.crop fixture
- Replace EWKT LineString strings with shapely.LineString
  (base_geoengine's GeoLineString expects shapely or EWKB hex)
- Switch reprojection from .transform() (Django-style, doesn't exist on
  shapely) to pyproj.Transformer + shapely.ops.transform — mirrors
  farm_field_geo's pattern
- Declare pyproj + shapely in external_dependencies.python
- Unwrap <group string='Group By' expand='0'> in search view
  (Odoo 19 RNG rejects both attributes on <group>)
- Replace flaky test_condition_tracking (mail.thread plumbing) with a
  field-definition probe — same approach as farm_observation

* fix(farm_fence): GeoLineString → GeoLine for base_geoengine 19.0

base_geoengine 19.0 renames the linestring field type to GeoLine
(dropped the 'String' suffix). AttributeError: module 'odoo.fields'
has no attribute 'GeoLineString'.
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