HDBC DomainAPI #40
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HDBC DomainAPI #40
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@jfoutz unable to compile your code because of the missing cabal file. Did you forget to commit? |
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Yes. Added and pushed. This should cover the DomainAPI only, i'll have another update for design goals tomorrow. (at least some of the design goals will move to the next sprint.) |
| mkData6 f (x1:x2:x3:x4:x5:x6:[]) = Just $ f (fromSql x1) (fromSql x2) (fromSql x3) (fromSql x4) (fromSql x5) (fromSql x6) | ||
| mkData9 f (x1:x2:x3:x4:x5:x6:x7:x8:x9:[]) = Just $ f (fromSql x1) (fromSql x2) (fromSql x3) (fromSql x4) (fromSql x5) (fromSql x6) (fromSql x7) (fromSql x8) (fromSql x9) | ||
| mkData9 _ _ = Nothing | ||
| mkData11 f (x1:x2:x3:x4:x5:x6:x7:x8:x9:x10:x11:[]) = Just $ f (fromSql x1) (fromSql x2) (fromSql x3) (fromSql x4) (fromSql x5) (fromSql x6) (fromSql x7) (fromSql x8) (fromSql x9) (fromSql x10) (fromSql x11) |
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is there any way to write these functions so that they work with lists of exactly N elements? Does HDBC have functions which return fixed sized tuples instead of lists?
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| createTenant :: Connection -> Tenant -> IO (Maybe Int) | ||
| createTenant conn (Tenant _ created updated name first last email phone status owner backoffice) = do |
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isn't using the record constructor a much safer way of pattern matching this? It protects against change in position of fields.
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I'm interested in DomainAPI and Types
I think maybe each primitive type in Tenant and User should become a type alias, and the "create" versions should take typed arguments rather than a tennant or a user. I don't think ignoring arguments is bad but it's not great.