src/clj/queue_api/db/core.clj


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(ns queue-api.db.core
  (:require [datascript.core :as d]
            [mount.core :as mount]
            [clj-time.core :as time]))

(def schema {:agent/id                 {:db/unique :db.unique/identity}
             :agent/primary-skillset   {:db/cardinality :db.cardinality/many}
             :agent/secondary-skillset {:db/cardinality :db.cardinality/many}
             :agent/job               {:db.valueType :db.type/ref}
             :job/id                   {:db/unique :db.unique/identity}
             :job/agent                {:db.valueType :db.type/ref}})

(mount/defstate conn
                :start (d/create-conn schema))

(defn add-agent [{:keys [id name primary-skillset secondary-skillset]}]
  (d/transact! queue-api.db.core/conn [{:agent/id                 id
                                        :agent/name               name
                                        :agent/primary-skillset   primary-skillset
                                        :agent/secondary-skillset secondary-skillset}]))

(defn add-job [{:keys [id type urgent]}]
  (d/transact! queue-api.db.core/conn [{:job/id     id
                                        :job/type   type
                                        :job/urgent urgent
                                        :job/date (time/now)
                                        :job/status :unassigned}]))

(defn request-job [id]
  {:job_request {:job_id "Dummy" :agent_id "Dummy"}})

(defn get-agent [id]
  [{:type "Dummy"
    :jobs -2}])

(defn q-status [s]
  (d/q '[:find ?id :in $ ?status
         :where
         [?e :job/status ?status]
         [?e :job/id ?id]]
       @conn s))

(defn sum-queue []
  {:completed  (map #(first %) (q-status :completed))
   :processing (map #(first %) (q-status :processing))
   :unassigned (map #(first %) (q-status :unassigned))})