From df24f7989f1110aa54effd316fa0f39563753594 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jan=20Barfu=C3=9F?= Date: Wed, 27 Mar 2024 17:41:57 +0100 Subject: [PATCH] some small fixes --- README.md | 2 +- cache/cache.go | 36 +++++----- fetch/fetch.go | 32 ++++----- go.mod | 64 ++++++++--------- go.sum | 172 ++++++++++++++++++++++---------------------- main.go | 18 ++--- scrape/scrape.go | 58 +++++++-------- server/server.go | 105 ++++++++++++++------------- types/bundesland.go | 2 +- types/cache.go | 66 ++++++++--------- types/mensa.go | 2 +- 11 files changed, 278 insertions(+), 279 deletions(-) diff --git a/README.md b/README.md index 83248b3..9fa05f2 100644 --- a/README.md +++ b/README.md @@ -1 +1 @@ -# Mensa-API +# Mensa-API diff --git a/cache/cache.go b/cache/cache.go index 8c0e4de..cde5e84 100644 --- a/cache/cache.go +++ b/cache/cache.go @@ -1,18 +1,18 @@ -package cache - -import ( - "mensa/types" -) - -func NewCache() *types.Cache { - cache := types.Cache{} - return &cache -} - -func setCacheData(cache *types.Cache, key string, data string, lifetime ...int64) { - cache.SetData(key, data, lifetime...) -} - -func getCacheData(cache *types.Cache) string { - return cache.GetData() -} +package cache + +import ( + "mensa/types" +) + +func NewCache() *types.Cache { + cache := types.Cache{} + return &cache +} + +func setCacheData(cache *types.Cache, key string, data string, lifetime ...int64) { + cache.SetData(key, data, lifetime...) +} + +func getCacheData(cache *types.Cache) string { + return cache.GetData() +} diff --git a/fetch/fetch.go b/fetch/fetch.go index 2eebbe9..b369a28 100644 --- a/fetch/fetch.go +++ b/fetch/fetch.go @@ -1,16 +1,16 @@ -package fetch - -import ( - "net/http" - "net/url" -) - -func Fetch(path string) (*http.Response, error) { - baseurl := "https://www.imensa.de/" - queryurl := baseurl + "/" + path - u, err := url.ParseRequestURI(queryurl) - if err != nil { - return nil, err - } - return http.Get(u.String()) -} +package fetch + +import ( + "net/http" + "net/url" +) + +func Fetch(path string) (*http.Response, error) { + baseurl := "https://www.imensa.de/" + queryurl := baseurl + "/" + path + u, err := url.ParseRequestURI(queryurl) + if err != nil { + return nil, err + } + return http.Get(u.String()) +} diff --git a/go.mod b/go.mod index 83934b5..17ae7e6 100644 --- a/go.mod +++ b/go.mod @@ -1,32 +1,32 @@ -module mensa - -go 1.22.1 - -require github.com/gin-gonic/gin v1.9.1 - -require ( - github.com/bytedance/sonic v1.9.1 // indirect - github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect - github.com/gabriel-vasile/mimetype v1.4.2 // indirect - github.com/gin-contrib/sse v0.1.0 // indirect - github.com/go-playground/locales v0.14.1 // indirect - github.com/go-playground/universal-translator v0.18.1 // indirect - github.com/go-playground/validator/v10 v10.14.0 // indirect - github.com/goccy/go-json v0.10.2 // indirect - github.com/json-iterator/go v1.1.12 // indirect - github.com/klauspost/cpuid/v2 v2.2.4 // indirect - github.com/leodido/go-urn v1.2.4 // indirect - github.com/mattn/go-isatty v0.0.19 // indirect - github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect - github.com/modern-go/reflect2 v1.0.2 // indirect - github.com/pelletier/go-toml/v2 v2.0.8 // indirect - github.com/twitchyliquid64/golang-asm v0.15.1 // indirect - github.com/ugorji/go/codec v1.2.11 // indirect - golang.org/x/arch v0.3.0 // indirect - golang.org/x/crypto v0.9.0 // indirect - golang.org/x/net v0.10.0 // indirect - golang.org/x/sys v0.8.0 // indirect - golang.org/x/text v0.9.0 // indirect - google.golang.org/protobuf v1.30.0 // indirect - gopkg.in/yaml.v3 v3.0.1 // indirect -) +module mensa + +go 1.22.1 + +require github.com/gin-gonic/gin v1.9.1 + +require ( + github.com/bytedance/sonic v1.9.1 // indirect + github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect + github.com/gabriel-vasile/mimetype v1.4.2 // indirect + github.com/gin-contrib/sse v0.1.0 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.14.0 // indirect + github.com/goccy/go-json v0.10.2 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.2.4 // indirect + github.com/leodido/go-urn v1.2.4 // indirect + github.com/mattn/go-isatty v0.0.19 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.0.8 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.11 // indirect + golang.org/x/arch v0.3.0 // indirect + golang.org/x/crypto v0.9.0 // indirect + golang.org/x/net v0.10.0 // indirect + golang.org/x/sys v0.8.0 // indirect + golang.org/x/text v0.9.0 // indirect + google.golang.org/protobuf v1.30.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum index 1a77fa1..e1f9d72 100644 --- a/go.sum +++ b/go.sum @@ -1,86 +1,86 @@ -github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM= -github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s= -github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U= -github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY= -github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams= -github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk= -github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= -github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU= -github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA= -github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE= -github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI= -github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg= -github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU= -github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s= -github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4= -github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA= -github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY= -github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY= -github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY= -github.com/go-playground/validator/v10 v10.14.0 h1:vgvQWe3XCz3gIeFDm/HnTIbj6UGmg/+t63MyGU2n5js= -github.com/go-playground/validator/v10 v10.14.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU= -github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU= -github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I= -github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= -github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU= -github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= -github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= -github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= -github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= -github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= -github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk= -github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY= -github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q= -github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4= -github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA= -github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= -github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= -github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg= -github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= -github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M= -github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk= -github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ= -github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4= -github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= -github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= -github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= -github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo= -github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= -github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= -github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= -github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= -github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= -github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= -github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY= -github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= -github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI= -github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08= -github.com/ugorji/go/codec v1.2.11 h1:BMaWp1Bb6fHwEtbplGBGJ498wD+LKlNSl25MjdZY4dU= -github.com/ugorji/go/codec v1.2.11/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg= -golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8= -golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k= -golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8= -golang.org/x/crypto v0.9.0 h1:LF6fAI+IutBocDJ2OT0Q1g8plpYljMZ4+lty+dsqw3g= -golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0= -golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M= -golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg= -golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= -golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= -golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU= -golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= -golang.org/x/text 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h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= diff --git a/main.go b/main.go index 3c3a458..a2b3152 100644 --- a/main.go +++ b/main.go @@ -1,9 +1,9 @@ -package main - -import ( - "mensa/server" -) - -func main() { - server.Run() -} +package main + +import ( + "mensa/server" +) + +func main() { + server.Run() +} diff --git a/scrape/scrape.go b/scrape/scrape.go index fe6f503..105b1ec 100644 --- a/scrape/scrape.go +++ b/scrape/scrape.go @@ -1,29 +1,29 @@ -package scrape - -import ( - "strings" - - "golang.org/x/net/html" -) - -func ScrapeBundesland(h string) []string { - tkn := html.NewTokenizer(strings.NewReader(h)) - - var mensen []string - - for { - if tkn.Next() == html.ErrorToken { - return mensen - } - - t := tkn.Token() - attr := t.Attr - - for _, a := range attr { - if a.Key == "class" && a.Val == "elements" { - print(t.Data) - mensen = append(mensen, t.Data) - } - } - } -} +package scrape + +import ( + "strings" + + "golang.org/x/net/html" +) + +func ScrapeBundesland(h string) []string { + tkn := html.NewTokenizer(strings.NewReader(h)) + + var mensen []string + + for { + if tkn.Next() == html.ErrorToken { + return mensen + } + + t := tkn.Token() + attr := t.Attr + + for _, a := range attr { + if a.Key == "class" && a.Val == "elements" { + print(t.Data) + mensen = append(mensen, t.Data) + } + } + } +} diff --git a/server/server.go b/server/server.go index 3587c01..6646a95 100644 --- a/server/server.go +++ b/server/server.go @@ -1,53 +1,52 @@ -package server - -import ( - "io" - "mensa/cache" - "mensa/fetch" - "mensa/scrape" - "mensa/types" - "net/http" - - "github.com/gin-gonic/gin" -) - -var c = cache.NewCache() - -func Run() { - r := gin.Default() - r.GET("/bl/:bundesland", bundesland) - r.Run("localhost:8080") -} - -func bundesland(c *gin.Context) { - bundesland := c.Param("bundesland") - if bundesland == "" { - c.JSON(http.StatusBadRequest, gin.H{ - "error": "bundesland is required", - }) - return - } - - if c.GetCacheData(bundesland) != "" { - return c.GetCacheData(bundesland) - } - - resp, err := fetch.Fetch("bl/" + bundesland) - if err != nil { - c.JSON(http.StatusInternalServerError, gin.H{ - "error": err.Error(), - }) - return - } - defer resp.Body.Close() - d, err := io.ReadAll(resp.Body) - if err != nil { - c.JSON(http.StatusInternalServerError, gin.H{ - "error": err.Error(), - }) - return - } - html := string(d) - scraped := scrape.ScrapeBundesland(html) - c.JSON(http.StatusOK, scraped) -} +package server + +import ( + "io" + "mensa/cache" + "mensa/fetch" + "mensa/scrape" + "net/http" + + "github.com/gin-gonic/gin" +) + +var ca = cache.NewCache() + +func Run() { + r := gin.Default() + r.GET("/bl/:bundesland", bundesland) + r.Run("localhost:8080") +} + +func bundesland(c *gin.Context) { + bundesland := c.Param("bundesland") + if bundesland == "" { + c.JSON(http.StatusBadRequest, gin.H{ + "error": "bundesland is required", + }) + return + } + + if ca.GetCacheData(bundesland) != "" { + return ca.GetCacheData(bundesland) + } + + resp, err := fetch.Fetch("bl/" + bundesland) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{ + "error": err.Error(), + }) + return + } + defer resp.Body.Close() + d, err := io.ReadAll(resp.Body) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{ + "error": err.Error(), + }) + return + } + html := string(d) + scraped := scrape.ScrapeBundesland(html) + c.JSON(http.StatusOK, scraped) +} diff --git a/types/bundesland.go b/types/bundesland.go index ab1254f..57f20cf 100644 --- a/types/bundesland.go +++ b/types/bundesland.go @@ -1 +1 @@ -package types +package types diff --git a/types/cache.go b/types/cache.go index 15dcff3..b595736 100644 --- a/types/cache.go +++ b/types/cache.go @@ -1,33 +1,33 @@ -package types - -import "time" - -type Cache struct { - data string - lastUpdated time.Time - lifetime int64 - key string -} - -func (c *Cache) SetData(key string, data string, lifetime ...int64) { - if len(lifetime) > 0 { - c.lifetime = lifetime[0] - } else { - c.lifetime = 60 - } - - c.data = data - c.lastUpdated = time.Now() -} - -func (c *Cache) GetData() string { - if time.Now().Unix()-c.lastUpdated.Unix() > c.lifetime { - return "" - } - - if c.data == "" { - return "" - } - - return c.data -} +package types + +import "time" + +type Cache struct { + data string + lastUpdated time.Time + lifetime int64 + key string +} + +func (c *Cache) SetData(key string, data string, lifetime ...int64) { + if len(lifetime) > 0 { + c.lifetime = lifetime[0] + } else { + c.lifetime = 60 + } + + c.data = data + c.lastUpdated = time.Now() +} + +func (c *Cache) GetData() string { + if time.Now().Unix()-c.lastUpdated.Unix() > c.lifetime { + return "" + } + + if c.data == "" { + return "" + } + + return c.data +} diff --git a/types/mensa.go b/types/mensa.go index ab1254f..57f20cf 100644 --- a/types/mensa.go +++ b/types/mensa.go @@ -1 +1 @@ -package types +package types