cvsimport

[hcoop/zz_old/portal.git] / balance.sml

diff --git a/balance.sml b/balance.sml
index b2e905c..98c8657 100644 (file)
--- a/balance.sml
+++ b/balance.sml
@@ -10,7 +10,7 @@ type balance = {id :int, name : string, amount : real}
 
 fun mkBalanceRow [id, name, amount] =
     {id = C.intFromSql id, name = C.stringFromSql name, amount = C.realFromSql amount}
-  | mkBalanceRow row = raise Fail ("Bad balance row : " ^ makeSet id row)
+  | mkBalanceRow row = Init.rowError ("balance", row)
 
 fun addBalance name =
     let
@@ -18,8 +18,8 @@ fun addBalance name =
        val id = nextSeq (db, "BalanceSeq")
     in
        C.dml db ($`INSERT INTO Balance (id, name, amount)
-                    VALUES (^id, ^(C.stringToSql name), 0.0)`);
-       C.intFromSql id
+                    VALUES (^(C.intToSql id), ^(C.stringToSql name), 0.0)`);
+       id
     end
 
 fun lookupBalance id =
@@ -45,7 +45,40 @@ fun deleteBalance id =
 
 fun listBalances () =
     C.map (getDb ()) mkBalanceRow ($`SELECT id, name, amount FROM Balance
-                                  ORDER BY name`)
+                                    ORDER BY name`)
+
+fun listOwnedBalances () =
+    C.map (getDb ()) mkBalanceRow ($`SELECT Balance.id, Balance.name, amount
+                                    FROM Balance JOIN WebUser
+                                       ON Balance.name = WebUser.name
+                                          AND WebUser.bal = Balance.id
+                                    JOIN Membership
+                                       ON Membership.grp = 1
+                                          AND Membership.usr = WebUser.id
+                                    ORDER BY Balance.name`)
+
+fun listUnownedBalances () =
+    C.map (getDb ()) mkBalanceRow ($`SELECT Balance.id, Balance.name, amount
+                                    FROM Balance LEFT OUTER JOIN WebUser
+                                       ON Balance.name = WebUser.name
+                                          AND WebUser.bal = Balance.id
+                                    LEFT OUTER JOIN Membership
+                                       ON Membership.grp = 1
+                                          AND Membership.usr = WebUser.id
+                                    WHERE WebUser.id IS NULL
+                                       OR Membership.grp IS NULL
+                                    ORDER BY Balance.name`)
+
+fun listNegativeOwnedBalances () =
+    C.map (getDb ()) mkBalanceRow ($`SELECT Balance.id, Balance.name, amount
+                                    FROM Balance JOIN WebUser
+                                       ON Balance.name = WebUser.name
+                                          AND WebUser.bal = Balance.id
+                                    JOIN Membership
+                                       ON Membership.grp = 1
+                                          AND Membership.usr = WebUser.id
+                                    WHERE amount < 0
+                                    ORDER BY Balance.name`)
 
 fun validBalanceName name =
     size name <= 20
@@ -57,9 +90,19 @@ fun balanceNameToId name =
       | _ => NONE
 
 fun listBalanceUsers bal =
-    C.map (getDb ()) mkUserRow ($`SELECT id, name, rname, bal, joined
+    C.map (getDb ()) mkUserRow ($`SELECT id, name, rname, bal, joined, app, shares, paypal, checkout
                                  FROM WebUser
                                  WHERE bal = ^(C.intToSql bal)
                                  ORDER BY name`)
 
-end
\ No newline at end of file
+fun sumOwnedBalances () =
+    case C.oneRow (getDb ()) ($`SELECT SUM(amount)
+                               FROM Balance JOIN WebUser
+                                 ON Balance.name = WebUser.name
+                                   AND WebUser.bal = Balance.id`) of
+       [amt] => C.realFromSql amt
+      | _ => raise Fail "sumOwnedBalance: no rows"
+
+fun isNegative (bal : balance) = #amount bal < 0.0
+
+end