added excel.

.gitignore

@@ -10,3 +10,4 @@ pom.xml.asc
 /.nrepl-port
 /resources/public/js/compiled
 *.log   
+examples/

project.clj

@@ -13,6 +13,7 @@
                  [ring/ring-json "0.4.0"]
                  [ring "1.4.0"]
                  [yogthos/config "0.8"]
+                 [dk.ative/docjure "1.12.0"]
                  [org.clojure/java.jdbc "0.7.3"]
                  [cljsjs/dropzone "4.3.0-0"]
                  ;; https://mvnrepository.com/artifact/postgresql/postgresql

src/clj/auto_ap/handler.clj

@@ -54,7 +54,7 @@
           (println existing-invoices)
           (invoices/insert-multi!
            (for [{:keys [total date invoice-number customer-identifier vendor] :as row}
-                 (parse/parse-file (.getPath tempfile))]
+                 (parse/parse-file (.getPath tempfile) filename)]
              (assoc row
                     :imported false
                     :potential-duplicate (boolean (seq (filter #(and (= vendor (:vendor %))

src/clj/auto_ap/parse.clj

@@ -1,7 +1,8 @@
 (ns auto-ap.parse
   (:require [clojure.java.io :as io]
             [clojure.string :as str]
-            [clojure.java.shell :as sh]))
+            [clojure.java.shell :as sh]
+            [auto-ap.parse.excel :as excel]))
 
 (def templates
   [{:vendor "CHFW"
@@ -49,8 +50,23 @@
        first
        (extract-template text)))
 
-(defn parse-file
+
-  [file]
+(defmulti parse-file (fn [file filename]  (last (str/split filename #"\." ))))
+
+(defmethod parse-file
+  "pdf"
+  [file filename]
   (->  (sh/sh "pdftotext" "-layout" file "-")
        :out
        parse))
+
+(defmethod parse-file
+  "xls"
+  [file filename]
+  (excel/parse-file file filename))
+
+
+(defmethod parse-file
+  "xlsx"
+  [file filename]
+  (excel/parse-file file filename))

src/clj/auto_ap/parse/excel.clj

@@ -0,0 +1,61 @@
+(ns auto-ap.parse.excel
+  (:import [org.apache.poi.ss.util CellAddress])
+  (:require [dk.ative.docjure.spreadsheet :as d]
+            
+            [clojure.string :as str]))
+
+(def templates
+  [{:vendor "Isp Productions"
+    :keywords [#"ISP PRODUCTIONS"]
+    :extract {:customer-identifier [#"SERVICES PROVIDED TO" 1 0]
+              :total [#"PAY THIS" -1 0]
+              :date [#"INVOICE DATE" 0 1]
+              :invoice-number [#"INVOICE NUMBER" 0 1]}}
+   {:vendor "Southern Wine Online"
+    :keywords [#"Please note that the total invoice amount may"]
+    :extract {:customer-identifier [#"Customer #" 1 0]
+              :total [#"Total Invoice" 0 5]
+              :date [#"Date" 0 0 #"Date: (.*)"]
+              :invoice-number [#"Invoice #" 0 0  #"Invoice #: (.*)"]}}])
+
+(defn template-applies? [text {:keys [keywords]}]
+  (every? #(re-find % text) keywords))
+
+(defn extract [wb {:keys [extract vendor]}]
+  (println extract)
+  
+  (reduce-kv
+   (fn [invoice k [regex offset-row offset-column extract-regex]]
+     (assoc invoice k
+            (->> wb
+                 (d/sheet-seq)
+                 first
+                 (d/cell-seq)
+                 (filter (fn [cell]
+                           (re-find regex (str (d/read-cell cell)))))
+                 (map (fn [cell]
+                        (let [address (.getAddress cell)
+                              cell-value (str (d/read-cell (d/select-cell  (.toString (CellAddress. (+ offset-row (.getRow address)) (+ offset-column (.getColumn address)) ))
+                                                            (first (d/sheet-seq wb)))))] 
+                          (if extract-regex
+                            (second (re-find extract-regex cell-value))
+                            
+                            cell-value))))
+                 first)))
+   {:vendor vendor}
+   extract))
+
+(defn parse-file
+  [file filename]
+  [(let [wb (d/load-workbook file)
+         text (->> wb
+                   (d/sheet-seq)
+                   first
+                   (d/cell-seq)
+                   (map d/read-cell)
+                   (str/join " "))]
+     (->> templates
+          (filter (partial template-applies? text))
+          first
+          (extract wb)
+          ))])