parseUpsertBlock parses the upsert block
(it *lex.ItemIterator)
| 51 | |
| 52 | // parseUpsertBlock parses the upsert block |
| 53 | func parseUpsertBlock(it *lex.ItemIterator) (*api.Request, error) { |
| 54 | var req *api.Request |
| 55 | var queryText, condText string |
| 56 | var queryFound bool |
| 57 | |
| 58 | // ===>upsert<=== {...} |
| 59 | if !it.Next() { |
| 60 | return nil, it.Errorf("Unexpected end of upsert block") |
| 61 | } |
| 62 | |
| 63 | // upsert ===>{<=== ....} |
| 64 | item := it.Item() |
| 65 | if item.Typ != itemLeftCurl { |
| 66 | return nil, it.Errorf("Expected { at the start of block. Got: [%s]", item.Val) |
| 67 | } |
| 68 | |
| 69 | for it.Next() { |
| 70 | item = it.Item() |
| 71 | switch { |
| 72 | // upsert {... ===>}<=== |
| 73 | case item.Typ == itemRightCurl: |
| 74 | switch { |
| 75 | case req == nil: |
| 76 | return nil, it.Errorf("Empty mutation block") |
| 77 | case !queryFound: |
| 78 | return nil, it.Errorf("Query op not found in upsert block") |
| 79 | default: |
| 80 | req.Query = queryText |
| 81 | return req, nil |
| 82 | } |
| 83 | |
| 84 | // upsert { mutation{...} ===>query<==={...}} |
| 85 | case item.Typ == itemUpsertBlockOp && item.Val == "query": |
| 86 | if queryFound { |
| 87 | return nil, it.Errorf("Multiple query ops inside upsert block") |
| 88 | } |
| 89 | queryFound = true |
| 90 | if !it.Next() { |
| 91 | return nil, it.Errorf("Unexpected end of upsert block") |
| 92 | } |
| 93 | item = it.Item() |
| 94 | if item.Typ != itemUpsertBlockOpContent { |
| 95 | return nil, it.Errorf("Expecting brace, found '%s'", item.Val) |
| 96 | } |
| 97 | queryText += item.Val |
| 98 | |
| 99 | // upsert { ===>mutation<=== {...} query{...}} |
| 100 | case item.Typ == itemUpsertBlockOp && item.Val == "mutation": |
| 101 | if !it.Next() { |
| 102 | return nil, it.Errorf("Unexpected end of upsert block") |
| 103 | } |
| 104 | |
| 105 | // upsert { mutation ===>@if(...)<=== {....} query{...}} |
| 106 | item = it.Item() |
| 107 | if item.Typ == itemUpsertBlockOpContent { |
| 108 | condText = item.Val |
| 109 | if !it.Next() { |
| 110 | return nil, it.Errorf("Unexpected end of upsert block") |
no test coverage detected