From 5b738d234c68daa785ef6599d6cbc5561dfe9438 Mon Sep 17 00:00:00 2001
From: Chris Markiewicz <effigies@gmail.com>
Date: Tue, 20 Aug 2024 16:36:48 -0400
Subject: [PATCH 1/2] feat(schema): Validate the iEEG data files have
 associated electrodes.tsv

---
 src/schema/meta/context.yaml      |  9 +++++++++
 src/schema/rules/checks/ieeg.yaml | 14 ++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 src/schema/rules/checks/ieeg.yaml

diff --git a/src/schema/meta/context.yaml b/src/schema/meta/context.yaml
index 8783b46371..8deb853cc2 100644
--- a/src/schema/meta/context.yaml
+++ b/src/schema/meta/context.yaml
@@ -269,6 +269,15 @@ properties:
             type: array
             items:
               type: string
+      electrodes:
+        description: 'Electrodes file'
+        type: object
+        required: [path]
+        additionalProperties: false
+        properties:
+          path:
+            description: 'Path to associated electrodes file'
+            type: string
       coordsystem:
         description: 'Coordinate system file'
         type: object
diff --git a/src/schema/rules/checks/ieeg.yaml b/src/schema/rules/checks/ieeg.yaml
new file mode 100644
index 0000000000..1a60e35de0
--- /dev/null
+++ b/src/schema/rules/checks/ieeg.yaml
@@ -0,0 +1,14 @@
+---
+iEEGElectrodesRequired:
+  issue:
+    code: IEEG_ELECTRODES_REQUIRED
+    message: |
+      iEEG data files must have an associated electrodes.tsv.
+      A single electrodes file may apply to multiple data files
+      via the inheritance principle.
+    level: error
+  selectors:
+    - suffix == "ieeg"
+    - extension != ".json"
+  checks:
+    - associations.electrodes.path != ""

From bd6ee0eca6c80db650d32988ad9de7ed2d3a96cb Mon Sep 17 00:00:00 2001
From: Chris Markiewicz <effigies@gmail.com>
Date: Tue, 20 Aug 2024 16:40:44 -0400
Subject: [PATCH 2/2] feat(schema): Add associations rule for electrodes

---
 src/schema/meta/associations.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/schema/meta/associations.yaml b/src/schema/meta/associations.yaml
index 503fa728c1..ee2320585e 100644
--- a/src/schema/meta/associations.yaml
+++ b/src/schema/meta/associations.yaml
@@ -82,6 +82,15 @@ channels:
     extension: .tsv
   inherit: true
 
+electrodes:
+  selectors:
+    - intersects([suffix], ['eeg', 'ieeg', 'meg'])
+    - extension != '.json'
+  target:
+    suffix: electrodes
+    extension: .tsv
+  inherit: true
+
 coordsystem:
   selectors:
     - intersects([suffix], ['eeg', 'ieeg', 'meg', 'nirs', 'motion', 'electrodes', 'optodes'])