mirror of
https://github.com/hasura/graphql-engine.git
synced 2024-12-16 09:51:59 +03:00
417 lines
13 KiB
Haskell
417 lines
13 KiB
Haskell
module Hasura.RQL.DDL.Metadata
|
|
( TableMeta
|
|
|
|
, ReplaceMetadata(..)
|
|
, runReplaceMetadata
|
|
|
|
, ExportMetadata(..)
|
|
, runExportMetadata
|
|
, fetchMetadata
|
|
|
|
, ClearMetadata(..)
|
|
, runClearMetadata
|
|
|
|
, ReloadMetadata(..)
|
|
, runReloadMetadata
|
|
|
|
, DumpInternalState(..)
|
|
, runDumpInternalState
|
|
) where
|
|
|
|
import Control.Lens
|
|
import Data.Aeson
|
|
import Data.Aeson.Casing
|
|
import Data.Aeson.TH
|
|
import Language.Haskell.TH.Syntax (Lift)
|
|
|
|
import qualified Data.HashMap.Strict as M
|
|
import qualified Data.HashSet as HS
|
|
import qualified Data.List as L
|
|
import qualified Data.Text as T
|
|
|
|
import Hasura.GraphQL.Utils
|
|
import Hasura.Prelude
|
|
import Hasura.RQL.DDL.Utils
|
|
import Hasura.RQL.Types
|
|
import Hasura.SQL.Types
|
|
|
|
import qualified Database.PG.Query as Q
|
|
import qualified Hasura.RQL.DDL.Permission as DP
|
|
import qualified Hasura.RQL.DDL.QueryTemplate as DQ
|
|
import qualified Hasura.RQL.DDL.Relationship as DR
|
|
import qualified Hasura.RQL.DDL.RemoteSchema as DRS
|
|
import qualified Hasura.RQL.DDL.Schema.Table as DT
|
|
import qualified Hasura.RQL.DDL.Subscribe as DS
|
|
import qualified Hasura.RQL.Types.RemoteSchema as TRS
|
|
import qualified Hasura.RQL.Types.Subscribe as DTS
|
|
|
|
data TableMeta
|
|
= TableMeta
|
|
{ _tmTable :: !QualifiedTable
|
|
, _tmObjectRelationships :: ![DR.ObjRelDef]
|
|
, _tmArrayRelationships :: ![DR.ArrRelDef]
|
|
, _tmInsertPermissions :: ![DP.InsPermDef]
|
|
, _tmSelectPermissions :: ![DP.SelPermDef]
|
|
, _tmUpdatePermissions :: ![DP.UpdPermDef]
|
|
, _tmDeletePermissions :: ![DP.DelPermDef]
|
|
, _tmEventTriggers :: ![DTS.EventTriggerConf]
|
|
} deriving (Show, Eq, Lift)
|
|
|
|
mkTableMeta :: QualifiedTable -> TableMeta
|
|
mkTableMeta qt =
|
|
TableMeta qt [] [] [] [] [] [] []
|
|
|
|
makeLenses ''TableMeta
|
|
|
|
instance FromJSON TableMeta where
|
|
parseJSON (Object o) = do
|
|
unless (null unexpectedKeys) $
|
|
fail $ "unexpected keys when parsing TableMetadata : "
|
|
<> show (HS.toList unexpectedKeys)
|
|
|
|
TableMeta
|
|
<$> o .: tableKey
|
|
<*> o .:? orKey .!= []
|
|
<*> o .:? arKey .!= []
|
|
<*> o .:? ipKey .!= []
|
|
<*> o .:? spKey .!= []
|
|
<*> o .:? upKey .!= []
|
|
<*> o .:? dpKey .!= []
|
|
<*> o .:? etKey .!= []
|
|
|
|
where
|
|
tableKey = "table"
|
|
orKey = "object_relationships"
|
|
arKey = "array_relationships"
|
|
ipKey = "insert_permissions"
|
|
spKey = "select_permissions"
|
|
upKey = "update_permissions"
|
|
dpKey = "delete_permissions"
|
|
etKey = "event_triggers"
|
|
|
|
unexpectedKeys =
|
|
HS.fromList (M.keys o) `HS.difference` expectedKeySet
|
|
|
|
expectedKeySet =
|
|
HS.fromList [ tableKey, orKey, arKey, ipKey
|
|
, spKey, upKey, dpKey, etKey
|
|
]
|
|
|
|
parseJSON _ =
|
|
fail "expecting an Object for TableMetadata"
|
|
|
|
$(deriveToJSON (aesonDrop 3 snakeCase){omitNothingFields=True} ''TableMeta)
|
|
|
|
data ClearMetadata
|
|
= ClearMetadata
|
|
deriving (Show, Eq, Lift)
|
|
$(deriveToJSON defaultOptions ''ClearMetadata)
|
|
|
|
instance FromJSON ClearMetadata where
|
|
parseJSON _ = return ClearMetadata
|
|
|
|
clearMetadata :: Q.TxE QErr ()
|
|
clearMetadata = Q.catchE defaultTxErrorHandler $ do
|
|
Q.unitQ "DELETE FROM hdb_catalog.hdb_query_template WHERE is_system_defined <> 'true'" () False
|
|
Q.unitQ "DELETE FROM hdb_catalog.hdb_permission WHERE is_system_defined <> 'true'" () False
|
|
Q.unitQ "DELETE FROM hdb_catalog.hdb_relationship WHERE is_system_defined <> 'true'" () False
|
|
Q.unitQ "DELETE FROM hdb_catalog.hdb_table WHERE is_system_defined <> 'true'" () False
|
|
Q.unitQ "DELETE FROM hdb_catalog.event_triggers" () False
|
|
Q.unitQ "DELETE FROM hdb_catalog.remote_schemas" () False
|
|
clearHdbViews
|
|
|
|
runClearMetadata
|
|
:: ( QErrM m, UserInfoM m, CacheRWM m, MonadTx m
|
|
, MonadIO m, HasHttpManager m)
|
|
=> ClearMetadata -> m RespBody
|
|
runClearMetadata _ = do
|
|
adminOnly
|
|
liftTx clearMetadata
|
|
DT.buildSchemaCache
|
|
return successMsg
|
|
|
|
data ReplaceMetadata
|
|
= ReplaceMetadata
|
|
{ aqTables :: ![TableMeta]
|
|
, aqQueryTemplates :: ![DQ.CreateQueryTemplate]
|
|
, aqRemoteSchemas :: !(Maybe [TRS.AddRemoteSchemaQuery])
|
|
} deriving (Show, Eq, Lift)
|
|
|
|
$(deriveJSON (aesonDrop 2 snakeCase){omitNothingFields=True} ''ReplaceMetadata)
|
|
|
|
applyQP1
|
|
:: (QErrM m, UserInfoM m)
|
|
=> ReplaceMetadata -> m ()
|
|
applyQP1 (ReplaceMetadata tables templates mSchemas) = do
|
|
|
|
adminOnly
|
|
|
|
withPathK "tables" $ do
|
|
|
|
checkMultipleDecls "tables" $ map _tmTable tables
|
|
|
|
-- process each table
|
|
void $ indexedForM tables $ \table -> withTableName (table ^. tmTable) $ do
|
|
let allRels = map DR.rdName (table ^. tmObjectRelationships) <>
|
|
map DR.rdName (table ^. tmArrayRelationships)
|
|
|
|
insPerms = map DP.pdRole $ table ^. tmInsertPermissions
|
|
selPerms = map DP.pdRole $ table ^. tmSelectPermissions
|
|
updPerms = map DP.pdRole $ table ^. tmUpdatePermissions
|
|
delPerms = map DP.pdRole $ table ^. tmDeletePermissions
|
|
eventTriggers = map DTS.etcName $ table ^. tmEventTriggers
|
|
|
|
checkMultipleDecls "relationships" allRels
|
|
checkMultipleDecls "insert permissions" insPerms
|
|
checkMultipleDecls "select permissions" selPerms
|
|
checkMultipleDecls "update permissions" updPerms
|
|
checkMultipleDecls "delete permissions" delPerms
|
|
checkMultipleDecls "event triggers" eventTriggers
|
|
|
|
withPathK "queryTemplates" $
|
|
checkMultipleDecls "query templates" $ map DQ.cqtName templates
|
|
|
|
onJust mSchemas $ \schemas ->
|
|
withPathK "remote_schemas" $
|
|
checkMultipleDecls "remote schemas" $ map TRS._arsqName schemas
|
|
|
|
where
|
|
withTableName qt = withPathK (qualTableToTxt qt)
|
|
|
|
checkMultipleDecls t l = do
|
|
let dups = getDups l
|
|
unless (null dups) $
|
|
throw400 AlreadyExists $ "multiple declarations exist for the following " <> t <> " : "
|
|
<> T.pack (show dups)
|
|
|
|
getDups l =
|
|
l L.\\ HS.toList (HS.fromList l)
|
|
|
|
applyQP2
|
|
:: ( UserInfoM m
|
|
, CacheRWM m
|
|
, MonadTx m
|
|
, MonadIO m
|
|
, HasHttpManager m
|
|
)
|
|
=> ReplaceMetadata
|
|
-> m RespBody
|
|
applyQP2 (ReplaceMetadata tables templates mSchemas) = do
|
|
|
|
liftTx clearMetadata
|
|
DT.buildSchemaCache
|
|
|
|
withPathK "tables" $ do
|
|
|
|
-- tables and views
|
|
indexedForM_ (map _tmTable tables) $ \tableName ->
|
|
void $ DT.trackExistingTableOrViewP2 tableName False
|
|
|
|
-- Relationships
|
|
indexedForM_ tables $ \table -> do
|
|
withPathK "object_relationships" $
|
|
indexedForM_ (table ^. tmObjectRelationships) $ \objRel ->
|
|
DR.objRelP2 (table ^. tmTable) objRel
|
|
withPathK "array_relationships" $
|
|
indexedForM_ (table ^. tmArrayRelationships) $ \arrRel ->
|
|
DR.arrRelP2 (table ^. tmTable) arrRel
|
|
|
|
-- Permissions
|
|
indexedForM_ tables $ \table -> do
|
|
let tableName = table ^. tmTable
|
|
tabInfo <- modifyErrAndSet500 ("apply " <> ) $ askTabInfo tableName
|
|
withPathK "insert_permissions" $ processPerms tabInfo $
|
|
table ^. tmInsertPermissions
|
|
withPathK "select_permissions" $ processPerms tabInfo $
|
|
table ^. tmSelectPermissions
|
|
withPathK "update_permissions" $ processPerms tabInfo $
|
|
table ^. tmUpdatePermissions
|
|
withPathK "delete_permissions" $ processPerms tabInfo $
|
|
table ^. tmDeletePermissions
|
|
|
|
indexedForM_ tables $ \table ->
|
|
withPathK "event_triggers" $
|
|
indexedForM_ (table ^. tmEventTriggers) $ \etc ->
|
|
DS.subTableP2 (table ^. tmTable) False etc
|
|
|
|
-- query templates
|
|
withPathK "queryTemplates" $
|
|
indexedForM_ templates $ \template -> do
|
|
qti <- DQ.createQueryTemplateP1 template
|
|
void $ DQ.createQueryTemplateP2 template qti
|
|
|
|
-- remote schemas
|
|
onJust mSchemas $ \schemas ->
|
|
withPathK "remote_schemas" $
|
|
indexedForM_ schemas $ \conf ->
|
|
void $ DRS.addRemoteSchemaP2 conf
|
|
|
|
return successMsg
|
|
|
|
where
|
|
processPerms tabInfo perms =
|
|
indexedForM_ perms $ \permDef -> do
|
|
permInfo <- DP.addPermP1 tabInfo permDef
|
|
DP.addPermP2 (tiName tabInfo) permDef permInfo
|
|
|
|
runReplaceMetadata
|
|
:: (QErrM m, UserInfoM m, CacheRWM m, MonadTx m, MonadIO m, HasHttpManager m)
|
|
=> ReplaceMetadata -> m RespBody
|
|
runReplaceMetadata q = do
|
|
applyQP1 q
|
|
applyQP2 q
|
|
|
|
data ExportMetadata
|
|
= ExportMetadata
|
|
deriving (Show, Eq, Lift)
|
|
|
|
instance FromJSON ExportMetadata where
|
|
parseJSON _ = return ExportMetadata
|
|
|
|
$(deriveToJSON defaultOptions ''ExportMetadata)
|
|
|
|
fetchMetadata :: Q.TxE QErr ReplaceMetadata
|
|
fetchMetadata = do
|
|
tables <- Q.catchE defaultTxErrorHandler fetchTables
|
|
|
|
let qts = map (uncurry QualifiedTable) tables
|
|
tableMetaMap = M.fromList $ zip qts $ map mkTableMeta qts
|
|
|
|
-- Fetch all the relationships
|
|
relationships <- Q.catchE defaultTxErrorHandler fetchRelationships
|
|
|
|
objRelDefs <- mkRelDefs ObjRel relationships
|
|
arrRelDefs <- mkRelDefs ArrRel relationships
|
|
|
|
-- Fetch all the permissions
|
|
permissions <- Q.catchE defaultTxErrorHandler fetchPermissions
|
|
|
|
-- Parse all the permissions
|
|
insPermDefs <- mkPermDefs PTInsert permissions
|
|
selPermDefs <- mkPermDefs PTSelect permissions
|
|
updPermDefs <- mkPermDefs PTUpdate permissions
|
|
delPermDefs <- mkPermDefs PTDelete permissions
|
|
|
|
-- Fetch all the query templates
|
|
qTmpltRows <- Q.catchE defaultTxErrorHandler fetchQTemplates
|
|
|
|
qTmpltDefs <- forM qTmpltRows $ \(qtn, Q.AltJ qtDefVal, mComment) -> do
|
|
qtDef <- decodeValue qtDefVal
|
|
return $ DQ.CreateQueryTemplate qtn qtDef mComment
|
|
|
|
-- Fetch all event triggers
|
|
eventTriggers <- Q.catchE defaultTxErrorHandler fetchEventTriggers
|
|
triggerMetaDefs <- mkTriggerMetaDefs eventTriggers
|
|
|
|
let (_, postRelMap) = flip runState tableMetaMap $ do
|
|
modMetaMap tmObjectRelationships objRelDefs
|
|
modMetaMap tmArrayRelationships arrRelDefs
|
|
modMetaMap tmInsertPermissions insPermDefs
|
|
modMetaMap tmSelectPermissions selPermDefs
|
|
modMetaMap tmUpdatePermissions updPermDefs
|
|
modMetaMap tmDeletePermissions delPermDefs
|
|
modMetaMap tmEventTriggers triggerMetaDefs
|
|
|
|
-- fetch all custom resolvers
|
|
schemas <- DRS.fetchRemoteSchemas
|
|
|
|
return $ ReplaceMetadata (M.elems postRelMap) qTmpltDefs (Just schemas)
|
|
|
|
where
|
|
|
|
modMetaMap l xs = do
|
|
st <- get
|
|
put $ foldr (\(qt, dfn) b -> b & at qt._Just.l %~ (:) dfn) st xs
|
|
|
|
mkPermDefs pt = mapM permRowToDef . filter (\pr -> pr ^. _4 == pt)
|
|
|
|
permRowToDef (sn, tn, rn, _, Q.AltJ pDef, mComment) = do
|
|
perm <- decodeValue pDef
|
|
return (QualifiedTable sn tn, DP.PermDef rn perm mComment)
|
|
|
|
mkRelDefs rt = mapM relRowToDef . filter (\rr -> rr ^. _4 == rt)
|
|
|
|
relRowToDef (sn, tn, rn, _, Q.AltJ rDef, mComment) = do
|
|
using <- decodeValue rDef
|
|
return (QualifiedTable sn tn, DR.RelDef rn using mComment)
|
|
|
|
mkTriggerMetaDefs = mapM trigRowToDef
|
|
|
|
trigRowToDef (sn, tn, Q.AltJ configuration) = do
|
|
conf <- decodeValue configuration
|
|
return (QualifiedTable sn tn, conf::EventTriggerConf)
|
|
|
|
fetchTables =
|
|
Q.listQ [Q.sql|
|
|
SELECT table_schema, table_name from hdb_catalog.hdb_table
|
|
WHERE is_system_defined = 'false'
|
|
|] () False
|
|
|
|
fetchRelationships =
|
|
Q.listQ [Q.sql|
|
|
SELECT table_schema, table_name, rel_name, rel_type, rel_def::json, comment
|
|
FROM hdb_catalog.hdb_relationship
|
|
WHERE is_system_defined = 'false'
|
|
|] () False
|
|
|
|
fetchPermissions =
|
|
Q.listQ [Q.sql|
|
|
SELECT table_schema, table_name, role_name, perm_type, perm_def::json, comment
|
|
FROM hdb_catalog.hdb_permission
|
|
WHERE is_system_defined = 'false'
|
|
|] () False
|
|
|
|
fetchQTemplates =
|
|
Q.listQ [Q.sql|
|
|
SELECT template_name, template_defn :: json, comment
|
|
FROM hdb_catalog.hdb_query_template
|
|
WHERE is_system_defined = 'false'
|
|
|] () False
|
|
fetchEventTriggers =
|
|
Q.listQ [Q.sql|
|
|
SELECT e.schema_name, e.table_name, e.configuration::json
|
|
FROM hdb_catalog.event_triggers e
|
|
|] () False
|
|
|
|
runExportMetadata
|
|
:: (QErrM m, UserInfoM m, MonadTx m)
|
|
=> ExportMetadata -> m RespBody
|
|
runExportMetadata _ = do
|
|
adminOnly
|
|
encode <$> liftTx fetchMetadata
|
|
|
|
data ReloadMetadata
|
|
= ReloadMetadata
|
|
deriving (Show, Eq, Lift)
|
|
|
|
instance FromJSON ReloadMetadata where
|
|
parseJSON _ = return ReloadMetadata
|
|
|
|
$(deriveToJSON defaultOptions ''ReloadMetadata)
|
|
|
|
runReloadMetadata
|
|
:: ( QErrM m, UserInfoM m, CacheRWM m
|
|
, MonadTx m, MonadIO m, HasHttpManager m)
|
|
=> ReloadMetadata -> m RespBody
|
|
runReloadMetadata _ = do
|
|
adminOnly
|
|
liftTx $ Q.catchE defaultTxErrorHandler clearHdbViews
|
|
DT.buildSchemaCache
|
|
return successMsg
|
|
|
|
data DumpInternalState
|
|
= DumpInternalState
|
|
deriving (Show, Eq, Lift)
|
|
|
|
instance FromJSON DumpInternalState where
|
|
parseJSON _ = return DumpInternalState
|
|
|
|
$(deriveToJSON defaultOptions ''DumpInternalState)
|
|
|
|
runDumpInternalState
|
|
:: (QErrM m, UserInfoM m, CacheRM m)
|
|
=> DumpInternalState -> m RespBody
|
|
runDumpInternalState _ = do
|
|
adminOnly
|
|
encode <$> askSchemaCache
|