feat: database method to insert songs from a channel

music-player/Makefile

@@ -4,8 +4,8 @@ build:
 clean:
 	mkdir -p bin && rm -rf ./bin/*
 
-test.read:
-	GO_ENV=test go test -v ./pkg/read
+test:
+	GO_ENV=test go test -v ./...
 
 migrate:
 	go run ./cmd/migrate

music-player/README.md

@@ -8,9 +8,7 @@ Run `make build` inside this directory. Binaries will be built and output to the
 
 ## Testing
 
-Run the following commands to run unit tests:
-
-- `make test.read`: tests the file reader module
+Run `make test` inside this directory, to run unit and integration tests.
 
 ## Migrations
 

music-player/cmd/migrate/main.go

@@ -4,7 +4,6 @@ import (
   "os"
   "log"
   "fmt"
-  "strconv"
   "path/filepath"
 
   "github.com/felamaslen/go-music-player/pkg/config"
@@ -15,31 +14,7 @@ import (
 )
 
 func main() {
-  config.LoadEnv()
-
-  host, hasHost := os.LookupEnv("POSTGRES_HOST")
-  if !hasHost {
-    log.Fatal("Must set POSTGRES_HOST")
-  }
-
-  user := os.Getenv("POSTGRES_USER")
-  password := os.Getenv("POSTGRES_PASSWORD")
-  port, hasPort := os.LookupEnv("POSTGRES_PORT")
-  if !hasPort {
-    port = "5432"
-  }
-  portNumeric, err := strconv.Atoi(port)
-  if err != nil {
-    log.Fatal("POSTGRES_PORT must be numeric")
-  }
-
-  database, hasDatabase := os.LookupEnv("POSTGRES_DATABASE")
-  if !hasDatabase {
-    log.Fatal("Must set POSTGRES_DATABASE")
-  }
-
-  databaseUrl := fmt.Sprintf("postgres://%s:%s@%s:%d/%s?sslmode=disable", user, password, host, portNumeric, database)
-
+  databaseUrl := fmt.Sprintf("%s?sslmode=disable", config.Config.DatabaseUrl)
   cwd, err := os.Getwd()
   if err != nil {
     log.Fatal("Error getting working dir: ", err)

music-player/go.mod

@@ -5,8 +5,8 @@ go 1.15
 require (
 	github.com/anyhon/engine v0.1.0
 	github.com/dhowden/tag v0.0.0-20200828214007-46e57f75dbfc
-	github.com/golang-migrate/migrate v3.5.4+incompatible // indirect
 	github.com/golang-migrate/migrate/v4 v4.13.0
+	github.com/jackc/pgx/v4 v4.9.2
 	github.com/joho/godotenv v1.3.0
-	github.com/stretchr/testify v1.6.1
+	github.com/stretchr/testify v1.5.1
 )

music-player/go.sum

@@ -33,11 +33,13 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/ClickHouse/clickhouse-go v1.3.12/go.mod h1:EaI/sW7Azgz9UATzd5ZdZHRUhHgv5+JMS9NSr2smCJI=
 github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
+github.com/Microsoft/go-winio v0.4.14 h1:+hMXMk01us9KgxGb7ftKQt2Xpf5hH/yky+TDA+qxleU=
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/anyhon/engine v0.1.0 h1:z8LToJ0A7O3om+Iz+FfFDTqzmBYiIMBhGyFNvySq5NI=
 github.com/anyhon/engine v0.1.0/go.mod h1:1sir2IWytku5IeTl8s92+MJygKx5Y5IQhEq/+PX8RC0=
@@ -54,26 +56,33 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cloudflare/golz4 v0.0.0-20150217214814-ef862a3cdc58/go.mod h1:EOBUe0h4xcZ5GoxqC5SDxFQ8gwyZPKQoEzownBlhI80=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=
 github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
 github.com/cockroachdb/cockroach-go v0.0.0-20190925194419-606b3d062051/go.mod h1:XGLbWH/ujMcbPbhZq52Nv6UrCghb1yGn//133kEsvDk=
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 github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
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-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
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+github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=
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+github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
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@@ -90,11 +99,11 @@ github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LB
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
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+github.com/gofrs/uuid v3.2.0+incompatible h1:y12jRkkFxsd7GpqdSZ+/KCs/fJbqpEXSGd4+jfEaewE=
+github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
-github.com/golang-migrate/migrate v1.3.2 h1:QAlFV1QF9zdkzy/jujlBVkVu+L/+k18cg8tuY1/4JDY=
-github.com/golang-migrate/migrate v3.5.4+incompatible h1:R7OzwvCJTCgwapPCiX6DyBiu2czIUMDCB118gFTKTUA=
-github.com/golang-migrate/migrate v3.5.4+incompatible/go.mod h1:IsVUlFN5puWOmXrqjgGUfIRIbU7mr8oNBE2tyERd9Wk=
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@@ -121,6 +130,7 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
 github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
+github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/snappy v0.0.0-20170215233205-553a64147049/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
@@ -133,6 +143,7 @@ github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.1 h1:JFrFEBb2xKufg6XkJsJr+WbKb4FQlURi5RUcBveYu9k=
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 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
@@ -153,6 +164,7 @@ github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51
 github.com/gorilla/handlers v1.4.2/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
 github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
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+github.com/gorilla/mux v1.7.4 h1:VuZ8uybHlWmqV03+zRzdwKL4tUnIp1MAQtp1mIFE1bc=
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@@ -163,30 +175,59 @@ github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
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@@ -197,10 +238,13 @@ github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0/go.mod h1:1NbS8ALr
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@@ -209,10 +253,16 @@ github.com/lib/pq v1.3.0 h1:/qkRGz8zljWiDcFvgpwUpwIAPu3r07TDvs3Rws+o/pU=
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@@ -221,11 +271,14 @@ github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+W
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@@ -237,8 +290,11 @@ github.com/rs/zerolog v1.13.0/go.mod h1:YbFCdg8HfsridGWAh22vktObvhZbQsZXe4/zB0OK
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@@ -250,9 +306,8 @@ github.com/stretchr/testify v1.2.0/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
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@@ -270,7 +325,10 @@ go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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+go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
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@@ -280,9 +338,13 @@ golang.org/x/crypto v0.0.0-20190411191339-88737f569e3a/go.mod h1:WFFai1msRO1wXaE
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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+golang.org/x/crypto v0.0.0-20200709230013-948cd5f35899 h1:DZhuSZLsGlFL4CmhA8BcRA0mnthyA/nZ00AqCUo7vHg=
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@@ -343,6 +405,7 @@ golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/
 golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc h1:zK/HqS5bZxDptfPJNq8v7vJfXtkU7r9TLIoSr1bXaP4=
 golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181106182150-f42d05182288/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -373,11 +436,13 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -390,15 +455,18 @@ golang.org/x/sys v0.0.0-20200511232937-7e40ca221e25/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200523222454-059865788121/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200817155316-9781c653f443 h1:X18bCaipMcoJGm27Nv7zr4XYPKGUy92GtqboKC2Hxaw=
 golang.org/x/sys v0.0.0-20200817155316-9781c653f443/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e h1:EHBhcS0mlXEAVwNyO2dLfjToGsyY4j24pTs2ScHnX7s=
 golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -420,6 +488,8 @@ golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20190823170909-c4a336ef6a2f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -452,7 +522,9 @@ golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
@@ -506,6 +578,7 @@ google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7Fc
 google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200806141610-86f49bd18e98/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200815001618-f69a88009b70 h1:wboULUXGF3c5qdUnKp+6gLAccE6PRpa/czkYvQ4UXv8=
 google.golang.org/genproto v0.0.0-20200815001618-f69a88009b70/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -519,6 +592,7 @@ google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
 google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.31.0 h1:T7P4R73V3SSDPhH7WW7ATbfViLtmamH0DKrP3f9AuDI=
 google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -529,20 +603,22 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
+google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo=
 gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gotest.tools/v3 v3.0.2 h1:kG1BFyqVHuQoVQiR1bWGnfz/fmHvvuiSPIV7rvl360E=
 gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

music-player/pkg/config/main.go

@@ -2,6 +2,10 @@ package config
 
 import (
   "os"
+  "log"
+  "fmt"
+  "strconv"
+  "path/filepath"
 
   "github.com/joho/godotenv"
 )
@@ -19,9 +23,55 @@ func getEnvFile() (string, bool) {
   }
 }
 
-func LoadEnv() {
-  envFile, loadEnvFile := getEnvFile()
+func loadEnv() {
+  envFileBase, loadEnvFile := getEnvFile()
+  cwd, _ := os.Getwd()
+  envFile := filepath.Join(cwd, envFileBase)
   if loadEnvFile {
-    godotenv.Load(envFile)
+    err := godotenv.Load(envFile)
+    if err != nil {
+      log.Fatal("Error loading dotenv file: ", err)
+    }
   }
 }
+
+func getDatabaseUrl() string {
+  host, hasHost := os.LookupEnv("POSTGRES_HOST")
+  if !hasHost {
+    log.Fatal("Must set POSTGRES_HOST")
+  }
+
+  user := os.Getenv("POSTGRES_USER")
+  password := os.Getenv("POSTGRES_PASSWORD")
+  port, hasPort := os.LookupEnv("POSTGRES_PORT")
+  if !hasPort {
+    port = "5432"
+  }
+  portNumeric, err := strconv.Atoi(port)
+  if err != nil {
+    log.Fatal("POSTGRES_PORT must be numeric")
+  }
+
+  database, hasDatabase := os.LookupEnv("POSTGRES_DATABASE")
+  if !hasDatabase {
+    log.Fatal("Must set POSTGRES_DATABASE")
+  }
+
+  databaseUrl := fmt.Sprintf("postgres://%s:%s@%s:%d/%s", user, password, host, portNumeric, database)
+
+  return databaseUrl
+}
+
+type config struct {
+  DatabaseUrl string
+}
+
+func getConfig() config {
+  loadEnv()
+
+  return config{
+    DatabaseUrl: getDatabaseUrl(),
+  }
+}
+
+var Config = getConfig()

music-player/pkg/db/main.go

@@ -1 +1,21 @@
 package db
+
+import (
+  "os"
+  "fmt"
+  "context"
+
+  "github.com/jackc/pgx/v4"
+
+  "github.com/felamaslen/go-music-player/pkg/config"
+)
+
+func GetConnection() *pgx.Conn {
+  conn, err := pgx.Connect(context.Background(), config.Config.DatabaseUrl)
+  if err != nil {
+    fmt.Fprintf(os.Stderr, "Unable to acquire database connection: %v\n", err)
+    os.Exit(1)
+  }
+
+  return conn
+}

music-player/pkg/db/migrations/000001_create_songs_table.up.sql

@@ -4,6 +4,6 @@ CREATE TABLE songs (
   artist VARCHAR NOT NULL DEFAULT '',
   album VARCHAR NOT NULL DEFAULT '',
   duration INTEGER NULL,
-  directory VARCHAR NOT NULL,
+  base_path VARCHAR NOT NULL,
   relative_path VARCHAR NOT NULL
 );

music-player/pkg/db/scan.go

@@ -0,0 +1,42 @@
+package db
+
+import (
+  "fmt"
+  "context"
+
+  "github.com/felamaslen/go-music-player/pkg/read"
+)
+
+func InsertMusicIntoDatabase(songs chan *read.Song) {
+  conn := GetConnection()
+  defer conn.Close(context.Background())
+
+  for {
+    select {
+    case song, more := <- songs:
+      if !more {
+        return
+      }
+
+      var duration string = fmt.Sprintf("%d", song.Duration)
+      if !song.DurationOk {
+        duration = "NULL"
+      }
+
+      _, err := conn.Query(
+        context.Background(),
+        "insert into songs (title, artist, album, duration, base_path, relative_path) values ($1, $2, $3, $4, $5, $6)",
+        song.Title,
+        song.Artist,
+        song.Album,
+        duration,
+        song.BasePath,
+        song.RelativePath,
+      )
+
+      if err != nil {
+        fmt.Printf("Error inserting record: %s\n", err)
+      }
+    }
+  }
+}

music-player/pkg/db/scan_test.go

@@ -0,0 +1,63 @@
+package db
+
+import (
+  "context"
+  "testing"
+  "github.com/stretchr/testify/assert"
+
+  "github.com/felamaslen/go-music-player/pkg/read"
+)
+
+func TestInsertMusicIntoDatabase(t *testing.T) {
+  conn := GetConnection()
+  conn.Query(
+    context.Background(),
+    "truncate table songs",
+  )
+  defer conn.Close(context.Background())
+
+  songs := make(chan *read.Song)
+
+  go func() {
+    defer close(songs)
+    songs <- &read.Song{
+      Title: "Hey Jude",
+      Artist: "The Beatles",
+      Album: "",
+      Duration: 431,
+      DurationOk: true,
+      BasePath: "/path/to",
+      RelativePath: "file.ogg",
+    }
+  }()
+
+  InsertMusicIntoDatabase(songs)
+
+  conn = GetConnection()
+
+  type Row struct {
+    id int
+    title string
+    artist string
+    album string
+    duration int
+    base_path string
+    relative_path string
+  }
+
+  var row Row
+
+  err := conn.QueryRow(
+    context.Background(),
+    "select * from songs",
+  ).Scan(&row.id, &row.title, &row.artist, &row.album, &row.duration, &row.base_path, &row.relative_path)
+
+  assert.Nil(t, err)
+
+  assert.Equal(t, row.title, "Hey Jude")
+  assert.Equal(t, row.artist, "The Beatles")
+  assert.Equal(t, row.album, "")
+  assert.Equal(t, row.duration, 431)
+  assert.Equal(t, row.base_path, "/path/to")
+  assert.Equal(t, row.relative_path, "file.ogg")
+}

music-player/pkg/db/test.env

@@ -0,0 +1 @@
+../../test.env

music-player/pkg/read/audio.go

@@ -2,14 +2,16 @@ package read
 
 import (
   "os"
+  "path/filepath"
 
   tag "github.com/dhowden/tag"
 
   duration "github.com/felamaslen/go-music-player/pkg/read/duration"
 )
 
-func ReadFile(fileName string) (song *Song, err error) {
-  file, errFile := os.Open(fileName)
+func ReadFile(basePath string, fileName string) (song *Song, err error) {
+  fullPath := filepath.Join(basePath, fileName)
+  file, errFile := os.Open(fullPath)
   if errFile != nil {
     return &Song{}, errFile
   }
@@ -20,11 +22,16 @@ func ReadFile(fileName string) (song *Song, err error) {
     return &Song{}, errTags
   }
 
+  durationTime, durationOk := duration.GetSongDuration(file, tags)
+
   result := Song{
-    title: tags.Title(),
-    artist: tags.Artist(),
-    album: tags.Album(),
-    length: duration.GetSongDuration(file, tags),
+    Title: tags.Title(),
+    Artist: tags.Artist(),
+    Album: tags.Album(),
+    Duration: durationTime,
+    DurationOk: durationOk,
+    BasePath: basePath,
+    RelativePath: fileName,
   }
 
   return &result, nil

music-player/pkg/read/audio_test.go

@@ -1,17 +1,24 @@
 package read
 
 import (
+  "os"
   "testing"
   "github.com/stretchr/testify/assert"
 )
 
 func TestReadFile(t *testing.T) {
-  result, err := ReadFile(testFile)
+  basePath, _ := os.Getwd()
+
+  result, err := ReadFile(basePath, testFile)
 
   assert.Nil(t, err)
 
-  assert.Equal(t, result.title, testTitle, "title must be correct")
-  assert.Equal(t, result.artist, testArtist, "artist must be correct")
-  assert.Equal(t, result.album, testAlbum, "album must be correct")
-  assert.Equal(t, result.length, testLengthSeconds, "length must be correct")
+  assert.Equal(t, result.Title, testTitle, "title must be correct")
+  assert.Equal(t, result.Artist, testArtist, "artist must be correct")
+  assert.Equal(t, result.Album, testAlbum, "album must be correct")
+  assert.Equal(t, result.Duration, testLengthSeconds, "duration must be correct")
+  assert.True(t, result.DurationOk, "duration must be fetched successfully")
+
+  assert.Equal(t, result.BasePath, basePath)
+  assert.Equal(t, result.RelativePath, testFile)
 }

music-player/pkg/read/duration/main.go

@@ -7,13 +7,12 @@ import (
   tag "github.com/dhowden/tag"
 )
 
-func GetSongDuration(file *os.File, tags tag.Metadata) int {
+func GetSongDuration(file *os.File, tags tag.Metadata) (duration int, ok bool) {
   switch tags.Format() {
   case "VORBIS":
-    result, _ := GetSongDurationVorbis(file.Name())
-    return result
+    return GetSongDurationVorbis(file.Name())
   default:
     fmt.Printf("Unrecognised format: %s\n", tags.Format())
-    return 0
+    return 0, false
   }
 }

music-player/pkg/read/files.go

@@ -6,7 +6,7 @@ import (
   "path/filepath"
 )
 
-func ReadMultipleFiles(files chan string) chan *Song {
+func ReadMultipleFiles(basePath string, files chan string) chan *Song {
   songs := make(chan *Song)
 
   go func() {
@@ -16,7 +16,7 @@ func ReadMultipleFiles(files chan string) chan *Song {
       select {
       case file, more := <- files:
         if more {
-          song, err := ReadFile(file)
+          song, err := ReadFile(basePath, file)
           if err == nil {
             songs <- song
           } else {
@@ -37,7 +37,7 @@ func isValidFile(file string) bool {
   return filepath.Ext(file) == ".ogg"
 }
 
-func recursiveDirScan(directory string, output chan string, root bool) {
+func recursiveDirScan(directory string, output chan string, root bool, basePath string) {
   files, err := ioutil.ReadDir(directory)
   if err != nil {
     fmt.Printf("Error scanning directory (%s): %s", directory, err)
@@ -45,10 +45,11 @@ func recursiveDirScan(directory string, output chan string, root bool) {
   }
 
   for _, file := range(files) {
-    relativePath := filepath.Join(directory, file.Name())
+    absolutePath := filepath.Join(directory, file.Name())
+    relativePath := filepath.Join(basePath, file.Name())
 
     if file.IsDir() {
-      recursiveDirScan(relativePath, output, false)
+      recursiveDirScan(absolutePath, output, false, relativePath)
     } else if isValidFile(file.Name()) {
       output <- relativePath
     }
@@ -63,7 +64,7 @@ func ScanDirectory(directory string) chan string {
   files := make(chan string)
   
   go func() {
-    recursiveDirScan(directory, files, true)
+    recursiveDirScan(directory, files, true, "")
   }()
 
   return files

music-player/pkg/read/files_test.go

@@ -1,11 +1,13 @@
 package read
 
 import (
+  "os"
   "testing"
   "github.com/stretchr/testify/assert"
 )
 
 func TestReadMultipleFiles(t *testing.T) {
+  directory, _ := os.Getwd()
   files := make(chan string, 1)
 
   go func() {
@@ -13,7 +15,7 @@ func TestReadMultipleFiles(t *testing.T) {
     close(files)
   }()
 
-  outputChan := ReadMultipleFiles(files)
+  outputChan := ReadMultipleFiles(directory, files)
 
   var results []*Song
 
@@ -32,10 +34,13 @@ func TestReadMultipleFiles(t *testing.T) {
   assert.Len(t, results, 1)
 
   assert.Equal(t, *results[0], Song{
-    title: testTitle,
-    artist: testArtist,
-    album: testAlbum,
-    length: testLengthSeconds,
+    Title: testTitle,
+    Artist: testArtist,
+    Album: testAlbum,
+    Duration: testLengthSeconds,
+    DurationOk: true,
+    BasePath: directory,
+    RelativePath: testFile,
   })
 }
 

music-player/pkg/read/types.go

@@ -1,6 +1,8 @@
 package read
 
 type Song struct {
-  title, artist, album string
-  length int
+  Title, Artist, Album string
+  Duration int
+  DurationOk bool
+  BasePath, RelativePath string
 }