core.clj

(ns run-nerd-miner.core
  (:require [edn-config.core :refer [env]])
  (:require [clojure.java.io :as io])
  (:require [clojure.data.xml :as xml])
  (:require [clojure.zip :as zip])
  (:require [clojure.data.zip.xml :as xz])
  
  (:gen-class))

(defn only-files
  [file-s]
  (filter #(.isFile %) file-s)
  )

(def tcx_data
  (->
   (first (only-files (file-seq (io/file (:source-data-dir env)))))
   io/input-stream
   xml/parse
   ))

(def tcx_data-zip (zip/xml-zip tcx_data))

(def heartrates (map zip/node
                     (map zip/down
                          (xz/xml-> tcx_data-zip :HeartRateBpm :Value))))

(defn -main
  "I don't do a whole lot ... yet."
  [& args]

  (println (xz/xml1-> tcx_data-zip :HeartRateBpm :Value))
  (println heartrates)  
;;  (println (-> tcx_data-zip zip/down zip/down zip/down zip/node))
)

data.tcx

<!-- snip -->
        <Track>
          <Trackpoint>
            <Time>2014-11-03T22:19:51.000Z</Time>
            <Position>
              <LatitudeDegrees>37.24515781737864</LatitudeDegrees>
              <LongitudeDegrees>-93.41323326341808</LongitudeDegrees>
            </Position>
            <AltitudeMeters>382.3999938964844</AltitudeMeters>
            <DistanceMeters>0.0</DistanceMeters>
            <HeartRateBpm>
              <Value>94</Value>
            </HeartRateBpm>
            <Extensions>
              <TPX xmlns="http://www.garmin.com/xmlschemas/ActivityExtension/v2">
                <Speed>0.0</Speed>
              </TPX>
            </Extensions>
          </Trackpoint>
<!-- snip -->

project.clj

(defproject run-nerd-miner "0.1.0-SNAPSHOT"
  :description "Data analysis tool for runner."
  :url "https://github.com/llowder/run-nerd-miner"
  :license {:name "Apache 2.0"
            :url "http://www.apache.org/licenses/LICENSE-2.0.html"}
  :dependencies [
                 [org.clojure/clojure "1.6.0"]
                 [org.clojure/data.xml "0.0.8"]
                 [org.clojure/data.zip "0.1.1"]
                 [incanter "1.2.3-SNAPSHOT"]
                 [edn-config "0.2"]
                 [puppetlabs/kitchensink "1.0.0"]
                 [prismatic/schema "0.3.3"]
                 
                 ]
  :profiles {:prod {:resource-paths ["config/prod"]}
             :dev  {:resource-paths ["config/dev"]}
             :test {:resource-paths ["config/test"]}
             :uberjar {:aot :all}
             
             }
  :main ^:skip-aot run-nerd-miner.core
  :target-path "target/%s"
)