From 7fdeec67ce9ba9d382ab6eedb6749d02d6c44f55 Mon Sep 17 00:00:00 2001 From: Jan Date: Sun, 15 Sep 2024 18:57:03 +0200 Subject: [PATCH] POC --- .gitignore => backup/.gitignore | 260 +++++++++++++------------- backup/cache/cache.go | 18 ++ backup/go.mod | 32 ++++ backup/go.sum | 86 +++++++++ backup/main.go | 9 + {scrape => backup/scrape}/scrape.go | 58 +++--- backup/server/server.go | 52 ++++++ {types => backup/types}/bundesland.go | 2 +- {types => backup/types}/cache.go | 66 +++---- {types => backup/types}/mensa.go | 2 +- cache/cache.go | 27 ++- fetch/fetch.go | 2 +- go.mod | 69 +++---- go.sum | 198 +++++++++++--------- main.go | 2 +- models/cacheItem.go | 32 ++++ scrape/state.go | 28 +++ server/city.go | 1 + server/mensa.go | 1 + server/server.go | 50 +---- server/state.go | 42 +++++ 21 files changed, 672 insertions(+), 365 deletions(-) rename .gitignore => backup/.gitignore (94%) create mode 100644 backup/cache/cache.go create mode 100644 backup/go.mod create mode 100644 backup/go.sum create mode 100644 backup/main.go rename {scrape => backup/scrape}/scrape.go (93%) create mode 100644 backup/server/server.go rename {types => backup/types}/bundesland.go (93%) rename {types => backup/types}/cache.go (93%) rename {types => backup/types}/mensa.go (93%) create mode 100644 models/cacheItem.go create mode 100644 scrape/state.go create mode 100644 server/city.go create mode 100644 server/mensa.go create mode 100644 server/state.go diff --git a/.gitignore b/backup/.gitignore similarity index 94% rename from .gitignore rename to backup/.gitignore index 54eac45..c6bba59 100644 --- a/.gitignore +++ b/backup/.gitignore @@ -1,130 +1,130 @@ -# Logs -logs -*.log -npm-debug.log* -yarn-debug.log* -yarn-error.log* -lerna-debug.log* -.pnpm-debug.log* - -# Diagnostic reports (https://nodejs.org/api/report.html) -report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json - -# Runtime data -pids -*.pid -*.seed -*.pid.lock - -# Directory for instrumented libs generated by jscoverage/JSCover -lib-cov - -# Coverage directory used by tools like istanbul -coverage -*.lcov - -# nyc test coverage -.nyc_output - -# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) -.grunt - -# Bower dependency directory (https://bower.io/) -bower_components - -# node-waf configuration -.lock-wscript - -# Compiled binary addons (https://nodejs.org/api/addons.html) -build/Release - -# Dependency directories -node_modules/ -jspm_packages/ - -# Snowpack dependency directory (https://snowpack.dev/) -web_modules/ - -# TypeScript cache -*.tsbuildinfo - -# Optional npm cache directory -.npm - -# Optional eslint cache -.eslintcache - -# Optional stylelint cache -.stylelintcache - -# Microbundle cache -.rpt2_cache/ -.rts2_cache_cjs/ -.rts2_cache_es/ -.rts2_cache_umd/ - -# Optional REPL history -.node_repl_history - -# Output of 'npm pack' -*.tgz - -# Yarn Integrity file -.yarn-integrity - -# dotenv environment variable files -.env -.env.development.local -.env.test.local -.env.production.local -.env.local - -# parcel-bundler cache (https://parceljs.org/) -.cache -.parcel-cache - -# Next.js build output -.next -out - -# Nuxt.js build / generate output -.nuxt -dist - -# Gatsby files -.cache/ -# Comment in the public line in if your project uses Gatsby and not Next.js -# https://nextjs.org/blog/next-9-1#public-directory-support -# public - -# vuepress build output -.vuepress/dist - -# vuepress v2.x temp and cache directory -.temp -.cache - -# Docusaurus cache and generated files -.docusaurus - -# Serverless directories -.serverless/ - -# FuseBox cache -.fusebox/ - -# DynamoDB Local files -.dynamodb/ - -# TernJS port file -.tern-port - -# Stores VSCode versions used for testing VSCode extensions -.vscode-test - -# yarn v2 -.yarn/cache -.yarn/unplugged -.yarn/build-state.yml -.yarn/install-state.gz -.pnp.* +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* +lerna-debug.log* +.pnpm-debug.log* + +# Diagnostic reports (https://nodejs.org/api/report.html) +report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage +*.lcov + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (https://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# Snowpack dependency directory (https://snowpack.dev/) +web_modules/ + +# TypeScript cache +*.tsbuildinfo + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Optional stylelint cache +.stylelintcache + +# Microbundle cache +.rpt2_cache/ +.rts2_cache_cjs/ +.rts2_cache_es/ +.rts2_cache_umd/ + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variable files +.env +.env.development.local +.env.test.local +.env.production.local +.env.local + +# parcel-bundler cache (https://parceljs.org/) +.cache +.parcel-cache + +# Next.js build output +.next +out + +# Nuxt.js build / generate output +.nuxt +dist + +# Gatsby files +.cache/ +# Comment in the public line in if your project uses Gatsby and not Next.js +# https://nextjs.org/blog/next-9-1#public-directory-support +# public + +# vuepress build output +.vuepress/dist + +# vuepress v2.x temp and cache directory +.temp +.cache + +# Docusaurus cache and generated files +.docusaurus + +# Serverless directories +.serverless/ + +# FuseBox cache +.fusebox/ + +# DynamoDB Local files +.dynamodb/ + +# TernJS port file +.tern-port + +# Stores VSCode versions used for testing VSCode extensions +.vscode-test + +# yarn v2 +.yarn/cache +.yarn/unplugged +.yarn/build-state.yml +.yarn/install-state.gz +.pnp.* diff --git a/backup/cache/cache.go b/backup/cache/cache.go new file mode 100644 index 0000000..c667a35 --- /dev/null +++ b/backup/cache/cache.go @@ -0,0 +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() +} diff --git a/backup/go.mod b/backup/go.mod new file mode 100644 index 0000000..83934b5 --- /dev/null +++ b/backup/go.mod @@ -0,0 +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 +) diff --git a/backup/go.sum b/backup/go.sum new file mode 100644 index 0000000..1a77fa1 --- /dev/null +++ b/backup/go.sum @@ -0,0 +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 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v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE= +golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= +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= +google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= +google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng= +google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= +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/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 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/backup/main.go b/backup/main.go new file mode 100644 index 0000000..3c3a458 --- /dev/null +++ b/backup/main.go @@ -0,0 +1,9 @@ +package main + +import ( + "mensa/server" +) + +func main() { + server.Run() +} diff --git a/scrape/scrape.go b/backup/scrape/scrape.go similarity index 93% rename from scrape/scrape.go rename to backup/scrape/scrape.go index 105b1ec..fe6f503 100644 --- a/scrape/scrape.go +++ b/backup/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/backup/server/server.go b/backup/server/server.go new file mode 100644 index 0000000..966fd58 --- /dev/null +++ b/backup/server/server.go @@ -0,0 +1,52 @@ +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/backup/types/bundesland.go similarity index 93% rename from types/bundesland.go rename to backup/types/bundesland.go index 57f20cf..ab1254f 100644 --- a/types/bundesland.go +++ b/backup/types/bundesland.go @@ -1 +1 @@ -package types +package types diff --git a/types/cache.go b/backup/types/cache.go similarity index 93% rename from types/cache.go rename to backup/types/cache.go index b595736..15dcff3 100644 --- a/types/cache.go +++ b/backup/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/backup/types/mensa.go similarity index 93% rename from types/mensa.go rename to backup/types/mensa.go index 57f20cf..ab1254f 100644 --- a/types/mensa.go +++ b/backup/types/mensa.go @@ -1 +1 @@ -package types +package types diff --git a/cache/cache.go b/cache/cache.go index cde5e84..3f415aa 100644 --- a/cache/cache.go +++ b/cache/cache.go @@ -1,18 +1,29 @@ package cache import ( - "mensa/types" + "github.com/LeRoid-hub/Mensa-API/models" ) -func NewCache() *types.Cache { - cache := types.Cache{} - return &cache +var Cache = make(map[string]models.CacheItem) + +func HasCacheData(key string) bool { + _, ok := Cache[key] + return ok } -func setCacheData(cache *types.Cache, key string, data string, lifetime ...int64) { - cache.SetData(key, data, lifetime...) +func GetCacheData(key string) string { + Item, ok := Cache[key] + if !ok { + return "" + } + return Item.GetData() } -func getCacheData(cache *types.Cache) string { - return cache.GetData() +func SetCacheData(key string, data string, lifetime ...int64) { + Item, ok := Cache[key] + if !ok { + Item = models.CacheItem{} + } + Item.SetData(data, lifetime...) + Cache[key] = Item } diff --git a/fetch/fetch.go b/fetch/fetch.go index b369a28..d0a6955 100644 --- a/fetch/fetch.go +++ b/fetch/fetch.go @@ -6,7 +6,7 @@ import ( ) func Fetch(path string) (*http.Response, error) { - baseurl := "https://www.imensa.de/" + baseurl := "https://www.imensa.de" queryurl := baseurl + "/" + path u, err := url.ParseRequestURI(queryurl) if err != nil { diff --git a/go.mod b/go.mod index 17ae7e6..5bfb0e7 100644 --- a/go.mod +++ b/go.mod @@ -1,32 +1,37 @@ -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 github.com/LeRoid-hub/Mensa-API + +go 1.23 + +toolchain go1.23.1 + +require ( + github.com/PuerkitoBio/goquery v1.10.0 // indirect + github.com/andybalholm/cascadia v1.3.2 // indirect + github.com/bytedance/sonic v1.12.2 // indirect + github.com/bytedance/sonic/loader v0.2.0 // indirect + github.com/cloudwego/base64x v0.1.4 // indirect + github.com/cloudwego/iasm v0.2.0 // indirect + github.com/gabriel-vasile/mimetype v1.4.5 // indirect + github.com/gin-contrib/sse v0.1.0 // indirect + github.com/gin-gonic/gin v1.10.0 // 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 v10.22.1 // indirect + github.com/goccy/go-json v0.10.3 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.2.8 // indirect + github.com/leodido/go-urn v1.4.0 // indirect + github.com/mattn/go-isatty v0.0.20 // 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 v2.2.3 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.12 // indirect + golang.org/x/arch v0.10.0 // indirect + golang.org/x/crypto v0.27.0 // indirect + golang.org/x/net v0.29.0 // indirect + golang.org/x/sys v0.25.0 // indirect + golang.org/x/text v0.18.0 // indirect + google.golang.org/protobuf v1.34.2 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum index e1f9d72..b796d24 100644 --- a/go.sum +++ b/go.sum @@ -1,86 +1,112 @@ -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= 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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50= diff --git a/main.go b/main.go index a2b3152..d01377f 100644 --- a/main.go +++ b/main.go @@ -1,7 +1,7 @@ package main import ( - "mensa/server" + "github.com/LeRoid-hub/Mensa-API/server" ) func main() { diff --git a/models/cacheItem.go b/models/cacheItem.go new file mode 100644 index 0000000..8a2f9de --- /dev/null +++ b/models/cacheItem.go @@ -0,0 +1,32 @@ +package models + +import "time" + +type CacheItem struct { + data string + lastUpdated time.Time + lifetime int64 +} + +func (c *CacheItem) SetData(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 *CacheItem) GetData() string { + if time.Now().Unix()-c.lastUpdated.Unix() > c.lifetime { + return "" + } + + if c.data == "" { + return "" + } + + return c.data +} diff --git a/scrape/state.go b/scrape/state.go new file mode 100644 index 0000000..443097b --- /dev/null +++ b/scrape/state.go @@ -0,0 +1,28 @@ +package scrape + +import ( + "io" + "strings" + + "github.com/PuerkitoBio/goquery" +) + +func ScrapeState(h io.ReadCloser) []string { + var cities []string + + doc, err := goquery.NewDocumentFromReader(h) + if err != nil { + return []string{} + } + + doc.Find("a.primary").Each(func(i int, s *goquery.Selection) { + href, _ := s.Attr("href") + print(href) + + city := strings.Split(href, "/")[0] + + cities = append(cities, string(city)) + }) + return cities + +} diff --git a/server/city.go b/server/city.go new file mode 100644 index 0000000..abb4e43 --- /dev/null +++ b/server/city.go @@ -0,0 +1 @@ +package server diff --git a/server/mensa.go b/server/mensa.go new file mode 100644 index 0000000..abb4e43 --- /dev/null +++ b/server/mensa.go @@ -0,0 +1 @@ +package server diff --git a/server/server.go b/server/server.go index 6646a95..f55ca18 100644 --- a/server/server.go +++ b/server/server.go @@ -1,52 +1,16 @@ 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) + r.GET("/ping", func(c *gin.Context) { + c.JSON(200, gin.H{ + "message": "pong", + }) + }) + r.GET("/state/:state", state) + r.Run() // listen and serve on } diff --git a/server/state.go b/server/state.go new file mode 100644 index 0000000..4d9f4f7 --- /dev/null +++ b/server/state.go @@ -0,0 +1,42 @@ +package server + +import ( + "github.com/LeRoid-hub/Mensa-API/cache" + "github.com/LeRoid-hub/Mensa-API/fetch" + "github.com/LeRoid-hub/Mensa-API/scrape" + "github.com/gin-gonic/gin" +) + +func state(c *gin.Context) { + state := c.Param("state") + if state == "" { + c.JSON(400, gin.H{ + "error": "state is required", + }) + return + } + + if cache.HasCacheData(state) { + c.JSON(200, cache.GetCacheData(state)) + return + } + + resp, err := fetch.Fetch(state + ".html") + if err != nil { + c.JSON(500, gin.H{ + "error": err.Error(), + }) + return + } + + defer resp.Body.Close() + if resp.StatusCode != 200 { + c.JSON(500, gin.H{ + "error": "status code is not 200", + }) + return + } + + scraped := scrape.ScrapeState(resp.Body) + c.JSON(200, scraped) +}