Marko Tikvić / webutility

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Commit 4635f2c3cd374ddaf963f577535485bcddcf1bf4

Authored by Marko Tikvić
1 parent b3f624151c
Exists in master

pagination utility

Showing 2 changed files with 45 additions and 42 deletions   Show diff stats
... ... @@ -0,0 +1,34 @@
  1 +package webutility
  2 +
  3 +import "net/http"
  4 +
  5 +type PaginationParams struct {
  6 + URL string
  7 + Offset int64
  8 + Limit int64
  9 + SortBy string
  10 + Order string
  11 +}
  12 +
  13 +func (p *PaginationParams) links() PaginationLinks {
  14 + return PaginationLinks{}
  15 +}
  16 +
  17 +// PaginationLinks ...
  18 +type PaginationLinks struct {
  19 + Count int64
  20 + Total int64
  21 + Base string `json:"base"`
  22 + Next string `json:"next"`
  23 + Prev string `json:"prev"`
  24 + Self string `json:"self"`
  25 +}
  26 +
  27 +func GetPaginationParameters(req *http.Request) (p PaginationParams) {
  28 + p.Offset = StringToInt64(req.FormValue("offset"))
  29 + p.Limit = StringToInt64(req.FormValue("limit"))
  30 + p.SortBy = req.FormValue("sortBy")
  31 + p.Order = req.FormValue("order")
  32 +
  33 + return p
  34 +}
... ...
... ... @@ -48,34 +48,6 @@ type Translation struct {
48 48 FieldsLabels map[string]string `json:"fieldsLabels"`
49 49 }
50 50  
51   -// PaginationLinks ...
52   -type PaginationLinks struct {
53   - Base string `json:"base"`
54   - Next string `json:"next"`
55   - Prev string `json:"prev"`
56   - Self string `json:"self"`
57   -}
58   -
59   -// PaginationParameters ...
60   -type PaginationParameters struct {
61   - URL string `json:"-"`
62   - Offset int64 `json:"offset"`
63   - Limit int64 `json:"limit"`
64   - SortBy string `json:"sortBy"`
65   - Order string `json:"order"`
66   -}
67   -
68   -// GetPaginationParameters ...
69   -// TODO(marko)
70   -func GetPaginationParameters(req *http.Request) (p PaginationParameters) {
71   - return p
72   -}
73   -
74   -// TODO(marko)
75   -func (p *PaginationParameters) paginationLinks() (links PaginationLinks) {
76   - return links
77   -}
78   -
79 51 // Payload ...
80 52 type Payload struct {
81 53 Method string `json:"method"`
... ... @@ -85,15 +57,19 @@ type Payload struct {
85 57 Correlations []CorrelationField `json:"correlationFields"`
86 58 IDField string `json:"idField"`
87 59  
88   - // Pagination
89   - Count int64 `json:"count"`
90   - Total int64 `json:"total"`
91 60 Links PaginationLinks `json:"_links"`
92 61  
93 62 // Data holds JSON payload. It can't be used for itteration.
94 63 Data interface{} `json:"data"`
95 64 }
96 65  
  66 +// NewPayload returs a payload sceleton for entity described with key.
  67 +func NewPayload(r *http.Request, key string) Payload {
  68 + p := metadata[key]
  69 + p.Method = r.Method + " " + r.RequestURI
  70 + return p
  71 +}
  72 +
97 73 func (p *Payload) addLang(code string, labels map[string]string) {
98 74 t := Translation{
99 75 Language: code,
... ... @@ -108,17 +84,10 @@ func (p *Payload) SetData(data interface{}) {
108 84 }
109 85  
110 86 // SetPaginationInfo ...
111   -func (p *Payload) SetPaginationInfo(count, total int64, params PaginationParameters) {
112   - p.Count = count
113   - p.Total = total
114   - p.Links = params.paginationLinks()
115   -}
116   -
117   -// NewPayload returs a payload sceleton for entity described with key.
118   -func NewPayload(r *http.Request, key string) Payload {
119   - p := metadata[key]
120   - p.Method = r.Method + " " + r.RequestURI
121   - return p
  87 +func (p *Payload) SetPaginationInfo(count, total int64, params PaginationParams) {
  88 + p.Links.Count = count
  89 + p.Links.Total = total
  90 + p.Links = params.links()
122 91 }
123 92  
124 93 // InitPayloadsMetadata loads all payloads' information into 'metadata' variable.
... ...