forward proc declaration

src/stockers.nim

@@ -1,16 +1,18 @@
-import strutils
-import regex
-import strformat
+import strutils, regex, strformat,system
 
 when isMainModule:
 
+    # forward declaration of functions
+    proc mainMenu()
+    proc options(name: string)
+    proc casesPerMinute(name: string): string
+
+    # calculate how manuy cases per minue a given person can stock
     proc casesPerMinute(name: string): string =
         var acases: float
         var aminutes: float
-        while true == true:
 
-            #stdout.write("Name of employee: ")
-            #name = readLine(stdin)
+        while true:
 
             stdout.write(fmt"Number of cases for {name}: ")
             var cases = readLine(stdin)
@@ -18,31 +20,32 @@ when isMainModule:
             if cases == "q":
                 quit(0)
 
-            if cases == "m":
-                echo "TBI"
-
-            if re"[^0-9.]" in cases:
-                echo "I can't do math on words, fucking moron"
-                quit(1)
+            elif cases == "m":
+                return
+            # only accept period and numbers
+            elif re"[^0-9.]" in cases:
+                echo "Invalid input"
             else:
                 acases = cases.parseFloat()
 
-            stdout.write(fmt"Number of hours or minutes it took: ")
+            stdout.write("How long did it take?: ")
             var minutes = readLine(stdin)
 
             if minutes == "q":
                 quit(0)
 
-            if re"[^0-9.]" in minutes:
-                echo "I can't do math on words, fucking moron"
-                quit(1)
+            elif minutes == "m":
+                mainMenu()
+
+            elif re"[^0-9.]" in minutes:
+                echo "Invalid input"
+                
             else:
                 aminutes = minutes.parseFloat()
                 if aminutes < 10:
                     aminutes = aminutes * 60
 
 
-
             let cpm: float = acases / aminutes
 
 
@@ -66,27 +69,35 @@ when isMainModule:
 
         if property == "1":
             echo(casesPerMinute(name))
-            quit(0)
         else:
             echo("That is not a property")
 
 
-    proc mainScreen() =
-        
+    proc mainMenu() =
+        var name1: string = "Leroy"
+        var name2: string = "Eric"
+        var name3: string = "Justin"
+        var name4: string = "Joseph"
+        var name5: string = "Perez"
+        var name6: string = "Lee"
+        var name7: string = "Emiliano"
+        var name8: string = ""
+
         echo(fmt"""
-    ------------
-    |  Stockers  |
-    |   v0.1.0   |
-    ------------ 
-            
-    1) Leroy
-    2) Perez
-    3) Eric
-    4) Emiliano
-    5) Jamal
-    6) Joseph
-    7) Justin
-    8) Lee
+         ------------
+        |  Stockers  |
+        |   v0.1.0   |
+         ------------ 
+    1) {name1}
+    2) {name2}   
+    3) {name3}        
+    4) {name4}   
+    5) {name5}         
+    6) {name6}  
+    7) {name7} 
+    8) {name8}    
+  
+
     q) Quit
 
             """)
@@ -95,24 +106,25 @@ when isMainModule:
         var employee = readLine(stdin)
 
         if employee == "1":
-            options("Leroy")
+            options(fmt"{name1}")
         elif employee == "2":
-            options("Perez")
+            options(fmt"{name2}")
         elif employee == "3":
-            options("Eric")
+            options(fmt"{name3}")
         elif employee == "4":
-            options("Emiliano")
+            options(fmt"{name4}")
         elif employee == "5":
-            options("Jamal")
+            options(fmt"{name5}")
         elif employee == "6":
-            options("Joseph")
+            options(fmt"{name6}")
         elif employee == "7":
-            options("Justin")
+            options(fmt"{name7}")
         elif employee == "8":
-            options("Lee")
+            options(fmt"{name8}")
         elif employee == "q":
             quit(0)
         else:
             echo(fmt"{employee} is not listed above")
+
     while true == true:
-        mainScreen()
+        mainMenu()