Feature/financial data

go.mod

@@ -8,6 +8,8 @@ require (
 )
 
 require (
+	github.com/PuerkitoBio/goquery v1.8.0 // indirect
+	github.com/andybalholm/cascadia v1.3.1 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-playground/locales v0.13.0 // indirect
 	github.com/go-playground/universal-translator v0.17.0 // indirect
@@ -21,6 +23,7 @@ require (
 	github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 // indirect
 	github.com/ugorji/go/codec v1.1.7 // indirect
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
+	golang.org/x/net v0.0.0-20210916014120-12bc252f5db8 // indirect
 	golang.org/x/sys v0.0.0-20210423082822-04245dca01da // indirect
 	gopkg.in/yaml.v2 v2.2.8 // indirect
 )

go.sum

@@ -1,3 +1,7 @@
+github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U=
+github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
+github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c=
+github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -47,13 +51,18 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20210916014120-12bc252f5db8 h1:/6y1LfuqNuQdHAm0jjtPtgRcxIxjVZgm5OTu8/QhZvk=
+golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da h1:b3NXsE2LusjYGGjL5bxEVZZORm/YEFFrWFjR8eFrw/c=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

main.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"os"
-
 	"github.com/gin-gonic/gin"
 	"github.com/hackerspace-silesia/geralt/views"
 	"github.com/slack-go/slack"
@@ -15,5 +14,6 @@ func main() {
 	r := gin.Default()
 	r.GET("/healthcheck", views.HealtcheckHandler)
 	r.POST("/commands", views.NewQuoteHandler(slackClient, signingSecret).QuoteServe)
+	r.POST("/finances", views.NewFinancesHandler(slackClient, signingSecret).FinancesServe)
 	r.Run()
 }

views/finances.go

@@ -0,0 +1,90 @@
+package views
+
+import (
+	"strconv"
+	"fmt"
+	"github.com/PuerkitoBio/goquery"
+	"net/http"
+	"github.com/gin-gonic/gin"
+	"github.com/slack-go/slack"
+)
+
+type Table struct {
+	caption string
+	values []TableEntry
+}
+
+type TableEntry struct {
+	name string 
+	value float64
+}
+
+type FinancesHandler struct {
+	apiClient     *slack.Client
+	signingSecret string
+}
+
+func NewFinancesHandler(slackClient *slack.Client, secret string) *FinancesHandler {
+	fmt.Println("creating NewFinancesHandler")
+
+	return &FinancesHandler{
+		apiClient:     slackClient,
+		signingSecret: secret,
+	}
+}
+
+func (handler *FinancesHandler) FinancesServe(c *gin.Context) {
+	if err := VerifySecret(c, handler.signingSecret); err != nil {
+		return
+	}
+	command, err := slack.SlashCommandParse(c.Copy().Request)
+	if err != nil {
+		fmt.Println(err)
+		c.AbortWithStatus(http.StatusBadRequest)
+		return
+	}
+	if command.Command != "/finances" {
+		c.AbortWithStatus(http.StatusBadRequest)
+		return
+	}
+	_, _, _, e := handler.apiClient.SendMessage(
+		command.ChannelName,
+		slack.MsgOptionText("1000 zł", false),
+	)
+	if e != nil {
+		fmt.Println(e)
+	}
+}
+
+func ParseFinancialTable(url string) []Table {
+	document, err := goquery.NewDocument(url)
+	if err != nil {
+		panic(err)
+	}
+	raw_tables := document.Find("div.month table")
+	all_tables := []Table{}
+	raw_tables.Each(func(i int, s *goquery.Selection)  {
+		caption := s.Find("caption").Text()
+		table := Table{caption: caption, values: []TableEntry{}}
+	    s.Find("tbody tr").Each(func(i int, s *goquery.Selection)  {
+			name := s.Find("td .name").Text()
+			value := StringToFloat(s.Find("td .value"))
+			table.values = append(table.values, TableEntry{name: name, value: value})
+		})
+		all_tables = append(all_tables, table)
+	})
+
+	return all_tables
+}
+
+func StringToFloat(s *goquery.Selection) float64 {
+	value_string := s.Text()
+	if value_string == "" {
+		return 0
+	}
+	value_float, err := strconv.ParseFloat(value_string, 64)
+	if err != nil {
+		panic(err)
+	}
+	return value_float
+}