Create & Init Project...

app/service/bbq/topic/internal/model/BUILD

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+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "extension.go",
+        "model.go",
+    ],
+    importpath = "go-common/app/service/bbq/topic/internal/model",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

app/service/bbq/topic/internal/model/extension.go

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+package model
+
+// extension_type 会存在数据库中
+const (
+	ExtensionTypeTitleExtra = 1
+)
+
+// title_extra type， 针对title_extra结构而言
+const (
+	TitleExtraTypeTopic = 1
+)

app/service/bbq/topic/internal/model/model.go

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+package model
+
+// 一些常量
+const (
+	MaxBatchLen             = 10
+	MaxTopicNameLen         = 64
+	MaxTopicDescLen         = 256
+	MaxSvTopicNum           = 15
+	MaxTopicVideoLen        = 10
+	MaxTopicLen             = 10
+	TopicVideoSize          = 10
+	DiscoveryTopicVideoSize = 6
+	DiscoveryTopicSize      = 3
+	CmsTopicSize            = 10
+	MaxDiscoveryTopicPage   = 300
+	MaxTopicVideoOffset     = 1000
+	MaxStickTopicNum        = 10
+	MaxStickTopicVideoNum   = 6
+)
+
+// Topic状态
+const (
+	TopicStateAvailable   = 0
+	TopicStateUnavailable = 1
+)
+
+// redis key format
+const (
+	RedisStickTopicKey      = "stick:topic"
+	ReidsStickTopicVideoKey = "stick:topic:video:%d"
+)
+
+// CursorValue 发现页下/话题详情页下的cursor
+type CursorValue struct {
+	// ！！！注意：这里的offset=db_offset+1
+	Offset    int `json:"offset"`     // 默认值为0，从1开始，parseCursor中设置
+	StickRank int `json:"stick_rank"` // 默认值为0，从1开始
+}