From 8453ab9ae978167ad527008c893f3f4d8de74e65 Mon Sep 17 00:00:00 2001
From: Jakob Lechner <mail@jalr.de>
Date: Sun, 20 Jul 2025 16:54:59 +0200
Subject: [PATCH 1/3] Add database initialization

Runs fieldpoc with `--init` if there are no tables in the database.
---
 nix/modules/fieldpoc.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nix/modules/fieldpoc.nix b/nix/modules/fieldpoc.nix
index b4376db..643dab6 100644
--- a/nix/modules/fieldpoc.nix
+++ b/nix/modules/fieldpoc.nix
@@ -78,6 +78,10 @@ in {
         if [ ! -f "/var/lib/fieldpoc/extensions.json" ]; then
           echo '{"extensions": {}}' > /var/lib/fieldpoc/extensions.json
         fi
+
+        if [ $(${config.services.postgresql.finalPackage}/bin/psql -q -t -A -c "select count(*) from information_schema.tables where table_schema='fieldpoc';") -eq 0 ]; then
+          ${pkgs.fieldpoc}/bin/fieldpoc -c /run/fieldpoc/config.json --debug --init
+        fi
       '';
     };
 

From f8e585c83ff607e966631bf04c5b77ac889b9397 Mon Sep 17 00:00:00 2001
From: Jakob Lechner <mail@jalr.de>
Date: Sun, 20 Jul 2025 16:57:09 +0200
Subject: [PATCH 2/3] Add postgresql as service requirement

---
 nix/modules/fieldpoc.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nix/modules/fieldpoc.nix b/nix/modules/fieldpoc.nix
index 643dab6..24462ad 100644
--- a/nix/modules/fieldpoc.nix
+++ b/nix/modules/fieldpoc.nix
@@ -31,7 +31,7 @@ in {
     systemd.services.fieldpoc = {
       description = "Fieldpoc daemon";
       wantedBy = [ "multi-user.target" ];
-      requires = [ "network-online.target" "yate.service" ];
+      requires = [ "network-online.target" "yate.service" "postgresql.service" ];
       after = [ "network-online.target" "yate.service" ];
 
       serviceConfig = {

From 1660118c2eda6a654ee718ad1826cf3191f72149 Mon Sep 17 00:00:00 2001
From: Jakob Lechner <mail@jalr.de>
Date: Sun, 20 Jul 2025 16:53:44 +0200
Subject: [PATCH 3/3] Fix database privileges

Fixes psycopg2.errors.InsufficientPrivilege: permission denied for
schema public
---
 nix/modules/fieldpoc.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nix/modules/fieldpoc.nix b/nix/modules/fieldpoc.nix
index 24462ad..d834087 100644
--- a/nix/modules/fieldpoc.nix
+++ b/nix/modules/fieldpoc.nix
@@ -98,6 +98,7 @@ in {
         CREATE ROLE fieldpoc WITH LOGIN PASSWORD 'fieldpoc' CREATEDB;
         CREATE DATABASE fieldpoc;
         GRANT ALL PRIVILEGES ON DATABASE fieldpoc TO fieldpoc;
+        GRANT USAGE, CREATE ON SCHEMA public TO fieldpoc;
       '';
     };