update environment configuration for local development, enhance database initialization, and improve Nginx routing for admin access
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zwitschi committed
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@@ -1,10 +1,11 @@
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module chat
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go 1.23
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go 1.23.0
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require (
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github.com/gorilla/websocket v1.5.3
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github.com/redis/go-redis/v9 v9.7.0
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gorm.io/driver/postgres v1.5.11
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gorm.io/driver/sqlite v1.5.7
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gorm.io/gorm v1.25.12
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)
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@@ -12,7 +13,14 @@ require (
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require (
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github.com/cespare/xxhash/v2 v2.3.0 // indirect
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github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
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github.com/jackc/pgpassfile v1.0.0 // indirect
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github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
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github.com/jackc/pgx/v5 v5.7.5 // indirect
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github.com/jackc/puddle/v2 v2.2.2 // indirect
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github.com/jinzhu/inflection v1.0.0 // indirect
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github.com/jinzhu/now v1.1.5 // indirect
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github.com/mattn/go-sqlite3 v1.14.22 // indirect
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)
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golang.org/x/crypto v0.37.0 // indirect
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golang.org/x/sync v0.13.0 // indirect
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golang.org/x/text v0.24.0 // indirect
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)
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@@ -0,0 +1,52 @@
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github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
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github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
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github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
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github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
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github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
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github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
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github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
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github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
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github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
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github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
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github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
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github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 h1:iCEnooe7UlwOQYpKFhBabPMi4aNAfoODPEFNiAnClxo=
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github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
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github.com/jackc/pgx/v5 v5.7.5 h1:JHGfMnQY+IEtGM63d+NGMjoRpysB2JBwDr5fsngwmJs=
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github.com/jackc/pgx/v5 v5.7.5/go.mod h1:aruU7o91Tc2q2cFp5h4uP3f6ztExVpyVv88Xl/8Vl8M=
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github.com/jackc/puddle/v2 v2.2.2 h1:PR8nw+E/1w0GLuRFSmiioY6UooMp6KJv0/61nB7icHo=
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github.com/jackc/puddle/v2 v2.2.2/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
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github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
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github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
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github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
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github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
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github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
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github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/redis/go-redis/v9 v9.7.0 h1:HhLSs+B6O021gwzl+locl0zEDnyNkxMtf/Z3NNBMa9E=
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github.com/redis/go-redis/v9 v9.7.0/go.mod h1:f6zhXITC7JUJIlPEiBOTXxJgPLdZcA93GewI7inzyWw=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
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github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
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golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
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golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
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golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
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golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
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golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
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golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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gorm.io/driver/postgres v1.5.11 h1:ubBVAfbKEUld/twyKZ0IYn9rSQh448EdelLYk9Mv314=
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gorm.io/driver/postgres v1.5.11/go.mod h1:DX3GReXH+3FPWGrrgffdvCk3DQ1dwDPdmbenSkweRGI=
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gorm.io/driver/sqlite v1.5.7 h1:8NvsrhP0ifM7LX9G4zPB97NwovUakUxc+2V2uuf3Z1I=
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gorm.io/driver/sqlite v1.5.7/go.mod h1:U+J8craQU6Fzkcvu8oLeAQmi50TkwPEhHDEjQZXDah4=
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gorm.io/gorm v1.25.12 h1:I0u8i2hWQItBq1WfE0o2+WuL9+8L21K9e2HHSTE/0f8=
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gorm.io/gorm v1.25.12/go.mod h1:xh7N7RHfYlNc5EmcI/El95gXusucDrQnHXe0+CgWcLQ=
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+46
-12
@@ -12,6 +12,7 @@ import (
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"github.com/gorilla/websocket"
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"github.com/redis/go-redis/v9"
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"gorm.io/driver/postgres"
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"gorm.io/driver/sqlite"
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"gorm.io/gorm"
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)
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@@ -56,11 +57,25 @@ type Presence struct {
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// initRedis initializes Redis for presence, rate limiting, and pub/sub (ADR-007)
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func initRedis() {
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redisClient = redis.NewClient(&redis.Options{
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Addr: os.Getenv("REDIS_URL"),
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Password: "",
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DB: 0,
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})
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redisAddress := os.Getenv("REDIS_URL")
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if redisAddress == "" {
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redisAddress = "redis:6379"
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}
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var options *redis.Options
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var err error
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if strings.Contains(redisAddress, "://") {
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options, err = redis.ParseURL(redisAddress)
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if err != nil {
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log.Printf("Redis configuration warning: %v (rate limiting and presence will be disabled)", err)
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redisClient = nil
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return
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}
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} else {
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options = &redis.Options{Addr: redisAddress}
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}
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redisClient = redis.NewClient(options)
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if err := redisClient.Ping(context.Background()).Err(); err != nil {
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log.Printf("Redis connection warning: %v (rate limiting and presence will be disabled)", err)
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redisClient = nil
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@@ -72,12 +87,31 @@ func initRedis() {
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// initDB initializes SQLite for message history and moderation audit log (ADR-006)
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func initDB() {
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var err error
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db, err = gorm.Open(sqlite.Open("chat.db"), &gorm.Config{})
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if err != nil {
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log.Fatal("Failed to connect to SQLite:", err)
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databaseURL := strings.TrimSpace(os.Getenv("DATABASE_URL"))
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driverName := "sqlite"
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switch {
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case databaseURL == "":
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db, err = gorm.Open(sqlite.Open("chat.db"), &gorm.Config{})
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case strings.HasPrefix(databaseURL, "sqlite://"):
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sqlitePath := strings.TrimPrefix(databaseURL, "sqlite://")
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if sqlitePath == "" {
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sqlitePath = "chat.db"
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}
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db, err = gorm.Open(sqlite.Open(sqlitePath), &gorm.Config{})
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case strings.HasPrefix(databaseURL, "postgres://") || strings.HasPrefix(databaseURL, "postgresql://"):
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driverName = "postgres"
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db, err = gorm.Open(postgres.Open(databaseURL), &gorm.Config{})
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default:
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log.Fatalf("Unsupported DATABASE_URL scheme: %s", databaseURL)
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}
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if err != nil {
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log.Fatalf("Failed to connect to %s database: %v", driverName, err)
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}
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db.AutoMigrate(&Message{}, &ModerationLog{})
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log.Println("SQLite database initialized (chat history and moderation log)")
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log.Printf("%s database initialized (chat history and moderation log)", strings.Title(driverName))
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}
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// broadcast sends a message to all connected clients in a room and saves to DB
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@@ -110,7 +144,7 @@ func handleConnection(w http.ResponseWriter, r *http.Request) {
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// Announce presence (ADR-007)
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username := r.URL.Query().Get("username")
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room := r.URL.Query().Get("room")
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if username != "" && room != "" {
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if redisClient != nil && username != "" && room != "" {
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redisClient.Set(context.Background(), fmt.Sprintf("presence:%s:%s", room, username), "online", 60*time.Second)
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broadcast(Message{Room: room, Username: "system", Text: username + " joined " + room, Type: "system"})
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}
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@@ -119,7 +153,7 @@ func handleConnection(w http.ResponseWriter, r *http.Request) {
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mutex.Lock()
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delete(clients, conn)
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mutex.Unlock()
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if username != "" && room != "" {
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if redisClient != nil && username != "" && room != "" {
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redisClient.Del(context.Background(), fmt.Sprintf("presence:%s:%s", room, username))
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broadcast(Message{Room: room, Username: "system", Text: username + " left " + room, Type: "system"})
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}
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@@ -230,6 +264,6 @@ func main() {
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port = "3000"
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}
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log.Printf("Chat Backend starting on :%s (WebSocket at /ws, health at /health, SQLite persistence enabled)", port)
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log.Printf("Chat Backend starting on :%s (WebSocket at /ws, health at /health, database persistence enabled)", port)
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log.Fatal(http.ListenAndServe(":"+port, nil))
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}
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