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Add example for Reitit + Pedestal + Malli coercion
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Ian Fernandez
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3 changed files with 184 additions and 0 deletions
11
examples/pedestal-malli-swagger/.gitignore
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examples/pedestal-malli-swagger/.gitignore
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/target
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/classes
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/checkouts
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pom.xml
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pom.xml.asc
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*.jar
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*.class
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/.lein-*
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/.nrepl-port
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.hgignore
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.hg/
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9
examples/pedestal-malli-swagger/project.clj
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examples/pedestal-malli-swagger/project.clj
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(defproject pedestal-malli-swagger-example "0.1.0-SNAPSHOT"
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:description "Reitit-http with pedestal"
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:dependencies [[org.clojure/clojure "1.10.0"]
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[io.pedestal/pedestal.service "0.5.5"]
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[io.pedestal/pedestal.jetty "0.5.5"]
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[metosin/reitit-malli "0.5.18"]
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[metosin/reitit-pedestal "0.5.18"]
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[metosin/reitit "0.5.18"]]
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:repl-options {:init-ns example.server})
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164
examples/pedestal-malli-swagger/src/server.clj
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examples/pedestal-malli-swagger/src/server.clj
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(ns example.server
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(:require [clojure.java.io :as io]
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[io.pedestal.http.route]
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[reitit.interceptor]
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[reitit.dev.pretty :as pretty]
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[reitit.coercion.malli]
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[io.pedestal.http]
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[reitit.ring]
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[reitit.ring.malli]
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[reitit.http]
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[reitit.pedestal]
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[reitit.swagger :as swagger]
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[reitit.swagger-ui :as swagger-ui]
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[reitit.http.coercion :as coercion]
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[reitit.http.interceptors.parameters :as parameters]
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[reitit.http.interceptors.muuntaja :as muuntaja]
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[reitit.http.interceptors.multipart :as multipart]
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[muuntaja.core]
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[malli.util :as mu]))
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(defn reitit-routes
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[_config]
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[["/swagger.json" {:get {:no-doc true
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:swagger {:info {:title "my-api"
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:description "with [malli](https://github.com/metosin/malli) and reitit-ring"}
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:tags [{:name "files",
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:description "file api"}
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{:name "math",
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:description "math api"}]}
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:handler (swagger/create-swagger-handler)}}]
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["/files" {:swagger {:tags ["files"]}}
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["/upload"
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{:post {:summary "upload a file"
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:parameters {:multipart [:map [:file reitit.ring.malli/temp-file-part]]}
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:responses {200 {:body [:map
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[:name string?]
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[:size int?]]}}
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:handler (fn [{{{{:keys [filename
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size]} :file}
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:multipart}
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:parameters}]
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{:status 200
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:body {:name filename
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:size size}})}}]
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["/download" {:get {:summary "downloads a file"
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:swagger {:produces ["image/png"]}
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:handler (fn [_]
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{:status 200
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:headers {"Content-Type" "image/png"}
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:body (-> "reitit.png"
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(io/resource)
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(io/input-stream))})}}]]
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["/math" {:swagger {:tags ["math"]}}
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["/plus"
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{:get {:summary "plus with malli query parameters"
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:parameters {:query [:map
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[:x
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{:title "X parameter"
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:description "Description for X parameter"
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:json-schema/default 42}
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int?]
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[:y int?]]}
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:responses {200 {:body [:map [:total int?]]}}
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:handler (fn [{{{:keys [x
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y]}
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:query}
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:parameters}]
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{:status 200
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:body {:total (+ x y)}})}
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:post {:summary "plus with malli body parameters"
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:parameters {:body [:map
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[:x
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{:title "X parameter"
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:description "Description for X parameter"
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:json-schema/default 42}
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int?]
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[:y int?]]}
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:responses {200 {:body [:map [:total int?]]}}
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:handler (fn [{{{:keys [x
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y]}
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:body}
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:parameters}]
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{:status 200
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:body {:total (+ x y)}})}}]]])
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(defn reitit-ring-routes
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[_config]
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[(swagger-ui/create-swagger-ui-handler
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{:path "/"
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:config {:validatorUrl nil
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:operationsSorter "alpha"}})
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(reitit.ring/create-resource-handler)
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(reitit.ring/create-default-handler)])
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(defn reitit-router-config
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[_config]
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{:exception pretty/exception
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:data {:coercion (reitit.coercion.malli/create
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{:error-keys #{:coercion
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:in
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:schema
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:value
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:errors
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:humanized}
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:compile mu/closed-schema
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:strip-extra-keys true
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:default-values true
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:options nil})
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:muuntaja muuntaja.core/instance
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:interceptors [swagger/swagger-feature
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(parameters/parameters-interceptor)
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(muuntaja/format-negotiate-interceptor)
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(muuntaja/format-response-interceptor)
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(muuntaja/format-request-interceptor)
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(coercion/coerce-response-interceptor)
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(coercion/coerce-request-interceptor)
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(multipart/multipart-interceptor)]}})
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(def config
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{:env :dev
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:io.pedestal.http/routes []
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:io.pedestal.http/type :jetty
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:io.pedestal.http/port 3000
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:io.pedestal.http/join? false
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:io.pedestal.http/secure-headers {:content-security-policy-settings
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{:default-src "'self'"
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:style-src "'self' 'unsafe-inline'"
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:script-src "'self' 'unsafe-inline'"}}
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::reitit-routes reitit-routes
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::reitit-ring-routes reitit-ring-routes
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::reitit-router-config reitit-router-config})
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(defn reitit-http-router
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[{::keys [reitit-routes
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reitit-ring-routes
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reitit-router-config]
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:as config}]
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(reitit.pedestal/routing-interceptor
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(reitit.http/router
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(reitit-routes config)
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(reitit-router-config config))
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(->> config
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reitit-ring-routes
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(apply reitit.ring/routes))))
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(defonce server (atom nil))
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(defn start
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[server
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config]
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(when @server
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(io.pedestal.http/stop @server)
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(println "server stopped"))
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(-> config
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io.pedestal.http/default-interceptors
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(reitit.pedestal/replace-last-interceptor (reitit-http-router config))
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io.pedestal.http/dev-interceptors
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io.pedestal.http/create-server
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io.pedestal.http/start
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(->> (reset! server)))
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(println "server running in port 3000"))
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#_(start server config)
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