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the-biergarten-app/pipeline/diagrams/future-class-diagram.puml
Aaron Po bbe8970bf6 updates
2026-04-21 00:11:48 -04:00

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@startuml future_possible_architecture
' ==========================================
' CONFIGURATION & STYLING
' ==========================================
left to right direction
skinparam linetype ortho
' --- Typography ---
skinparam defaultFontName "DM Sans"
skinparam defaultFontSize 14
skinparam titleFontName "Volkhov"
skinparam titleFontSize 20
' --- Global Colors ---
skinparam backgroundColor #FCFCF7
skinparam defaultFontColor #14180C
skinparam titleFontColor #14180C
skinparam ArrowColor #656F33
skinparam class {
BackgroundColor #EBECE3
HeaderBackgroundColor #CBD2B5
BorderColor #4A5837
ArrowColor #656F33
FontColor #14180C
}
skinparam package {
BackgroundColor #DBEEDD
BorderColor #4A5837
FontColor #14180C
}
skinparam note {
BackgroundColor #DBEEDD
BorderColor #4A5837
FontColor #14180C
}
skinparam monochrome reverse
title The Biergarten Data Pipeline — Planned Architecture
' ==========================================
' DOMAIN MODELS
' ==========================================
package "Domain Models" {
class Location {
+ city : std::string
+ state_province : std::string
+ iso3166_2 : std::string
+ country : std::string
+ iso3166_1 : std::string
+ local_languages : std::vector<std::string>
+ latitude : double
+ longitude : double
}
class LocationContext {
+ text : std::string
+ completeness : Completeness
+ char_count : size_t
--
<<enum>> Completeness
Full
Partial
Absent
}
class EnrichedCity {
+ location : Location
+ context : LocationContext
}
class BeerStyle {
+ name : std::string
+ description : std::string
+ min_abv : float
+ max_abv : float
+ min_ibu : int
+ max_ibu : int
}
class BreweryResult {
+ name_en : std::string
+ description_en : std::string
+ name_local : std::string
+ description_local : std::string
}
class BeerResult {
+ name_en : std::string
+ description_en : std::string
+ name_local : std::string
+ description_local : std::string
+ style : std::string
+ abv : float
+ ibu : int
}
class UserResult {
+ username : std::string
+ bio : std::string
+ activity_weight : float
}
class CheckinResult {
+ checked_in_at : std::string
+ note : std::string
}
class RatingResult {
+ score : float
+ note : std::string
}
class GeneratedBrewery {
+ brewery_id : sqlite3_int64
+ location : Location
+ brewery : BreweryResult
+ context_completeness : LocationContext::Completeness
+ generated_at : std::string
}
class GeneratedBeer {
+ beer_id : sqlite3_int64
+ brewery_id : sqlite3_int64
+ location : Location
+ style : BeerStyle
+ beer : BeerResult
+ generated_at : std::string
}
class GeneratedUser {
+ user_id : sqlite3_int64
+ location : Location
+ user : UserResult
+ generated_at : std::string
}
class GeneratedCheckin {
+ checkin_id : sqlite3_int64
+ user_id : sqlite3_int64
+ brewery_id : sqlite3_int64
+ checkin : CheckinResult
+ generated_at : std::string
}
class GeneratedRating {
+ user_id : sqlite3_int64
+ beer_id : sqlite3_int64
+ checkin_id : sqlite3_int64
+ rating : RatingResult
+ generated_at : std::string
}
class SamplingOptions {
+ temperature : float = 1.0F
+ top_p : float = 0.95F
+ top_k : uint32_t = 64
+ n_ctx : uint32_t = 8192
+ seed : int = -1
}
class GeneratorOptions {
+ model_path : std::filesystem::path
+ use_mocked : bool = false
+ sampling : SamplingOptions
}
class PipelineOptions {
+ output_path : std::filesystem::path
+ log_path : std::filesystem::path
}
class ApplicationOptions {
+ generator : GeneratorOptions
+ pipeline : PipelineOptions
}
' --- Domain Model Relationships ---
ApplicationOptions *-- GeneratorOptions
ApplicationOptions *-- PipelineOptions
GeneratorOptions *-- SamplingOptions
LocationContext *-- Completeness
}
' ==========================================
' LOGGING
' ==========================================
package "Logging" {
enum LogLevel {
Debug
Info
Warn
Error
}
enum PipelinePhase {
Startup
UserGeneration
BreweryAndBeerGeneration
CheckinGeneration
RatingGeneration
Teardown
}
class LogEntry {
+ timestamp : std::chrono::system_clock::time_point
+ level : LogLevel
+ phase : PipelinePhase
+ message : std::string
+ city : std::optional<std::string>
+ entity_id : std::optional<std::string>
+ worker : std::optional<std::string>
}
interface Logger <<interface>> {
+ Log(level, phase, message,\n city, entity_id, worker) : void
}
class PipelineLogger {
- log_ch_ : BoundedChannel<LogEntry>&
+ Log(level, phase, message,\n city, entity_id, worker) : void
}
class LogWorker {
- log_ch_ : BoundedChannel<LogEntry>&
+ Run() : void
- FormatTimestamp(tp) : std::string
- ToSpdlogLevel(level) : spdlog::level::level_enum
- ToString(phase) : std::string
}
' --- Logging Relationships ---
LogEntry *-- LogLevel
LogEntry *-- PipelinePhase
PipelineLogger ..> LogEntry : emits
LogWorker ..> LogEntry : consumes
}
' ==========================================
' DOMAIN POLICY
' ==========================================
package "Domain Policy" {
interface ContextStrategy <<interface>> {
+ QueriesFor(loc : const Location&) : std::vector<std::string>
+ MaxContextChars() : size_t
}
class BreweryContextStrategy {
+ QueriesFor(loc : const Location&) : std::vector<std::string>
+ MaxContextChars() : size_t
}
class BeerContextStrategy {
+ QueriesFor(loc : const Location&) : std::vector<std::string>
+ MaxContextChars() : size_t
}
interface SamplingStrategy <<interface>> {
+ Sample(locations : const std::vector<Location>&) : std::vector<Location>
}
class UniformSamplingStrategy {
- sample_size_ : size_t
+ Sample(locations : const std::vector<Location>&) : std::vector<Location>
}
interface BeerSelectionStrategy <<interface>> {
+ SelectStyles(brewery : const GeneratedBrewery&,\n palette : std::span<const BeerStyle>) : std::vector<BeerStyle>
}
class RandomBeerSelectionStrategy {
- rng_ : std::mt19937
- min_beers_ : size_t
- max_beers_ : size_t
+ SelectStyles(brewery : const GeneratedBrewery&,\n palette : std::span<const BeerStyle>) : std::vector<BeerStyle>
}
interface CheckinDistributionStrategy <<interface>> {
+ AssignActivityWeights(users : std::vector<GeneratedUser>&) : void
+ CheckinsForUser(user : const GeneratedUser&,\n brewery_count : size_t) : size_t
+ TimestampFor(user : const GeneratedUser&,\n index : size_t) : std::string
}
class JCurveCheckinStrategy {
- rng_ : std::mt19937
+ AssignActivityWeights(users : std::vector<GeneratedUser>&) : void
+ CheckinsForUser(user : const GeneratedUser&,\n brewery_count : size_t) : size_t
+ TimestampFor(user : const GeneratedUser&,\n index : size_t) : std::string
}
}
' ==========================================
' ORCHESTRATION
' ==========================================
package "Orchestration" {
interface DataPreloader <<interface>> {
+ LoadLocations(filepath : const std::filesystem::path&) : std::vector<Location>
+ LoadBeerStyles(filepath : const std::filesystem::path&) : std::vector<BeerStyle>
+ LoadPersonas(filepath : const std::filesystem::path&) : std::vector<Persona>
+ LoadNamesByCountry(filepath : const std::filesystem::path&) : NamesByCountry
}
class BiergartenPipelineOrchestrator {
- preloader_ : std::unique_ptr<DataPreloader>
- enrichment_service_ : std::unique_ptr<EnrichmentService>
- generator_ : std::unique_ptr<DataGenerator>
- logger_ : std::unique_ptr<Logger>
- exporter_ : std::unique_ptr<ExportService>
- brewery_context_strategy_ : std::unique_ptr<ContextStrategy>
- sampling_strategy_ : std::unique_ptr<SamplingStrategy>
- beer_selection_strategy_ : std::unique_ptr<BeerSelectionStrategy>
- checkin_strategy_ : std::unique_ptr<CheckinDistributionStrategy>
- beer_style_palette_ : std::vector<BeerStyle>
- options_ : ApplicationOptions
--
- user_pool_ : std::vector<GeneratedUser>
- brewery_pool_ : std::vector<GeneratedBrewery>
- beer_pool_ : std::vector<GeneratedBeer>
- checkin_pool_ : std::vector<GeneratedCheckin>
--
+ Run() : bool
- RunUserPhase(locations : const std::vector<Location>&) : void
- RunBreweryAndBeerPhase(locations : const std::vector<Location>&) : void
- RunCheckinPhase() : void
- RunRatingPhase() : void
}
}
' ==========================================
' INFRASTRUCTURE: PRELOADING
' ==========================================
package "Infrastructure: Preloading" {
class JsonLoader {
+ LoadLocations(filepath : const std::filesystem::path&) : std::vector<Location>
+ LoadBeerStyles(filepath : const std::filesystem::path&) : std::vector<BeerStyle>
+ LoadPersonas(filepath : const std::filesystem::path&) : std::vector<Persona>
+ LoadNamesByCountry(filepath : const std::filesystem::path&) : NamesByCountry
}
}
' ==========================================
' INFRASTRUCTURE: ENRICHMENT
' ==========================================
package "Infrastructure: Enrichment" {
interface EnrichmentService <<interface>> {
+ GetLocationContext(loc : const Location&,\n strategy : const ContextStrategy&) : LocationContext
}
class WikipediaService {
- client_ : std::unique_ptr<WebClient>
- extract_cache_ : std::unordered_map<std::string, std::string>
+ GetLocationContext(loc : const Location&,\n strategy : const ContextStrategy&) : LocationContext
- FetchExtract(query : std::string_view) : std::string
}
interface WebClient <<interface>> {
+ Get(url : const std::string&) : std::string
+ UrlEncode(value : const std::string&) : std::string
}
class CURLWebClient {
+ Get(url : const std::string&) : std::string
+ UrlEncode(value : const std::string&) : std::string
}
}
' ==========================================
' INFRASTRUCTURE: GENERATION
' ==========================================
package "Infrastructure: Generation" {
interface DataGenerator <<interface>> {
+ GenerateBrewery(location : const Location&,\n context : const LocationContext&) : BreweryResult
+ GenerateBeer(brewery_id : sqlite3_int64,\n location : const Location&,\n context : const LocationContext&,\n style : const BeerStyle&) : BeerResult
+ GenerateUser(location : const Location&) : UserResult
+ GenerateCheckin(user : const GeneratedUser&,\n brewery : const GeneratedBrewery&,\n timestamp : const std::string&) : CheckinResult
+ GenerateRating(user : const GeneratedUser&,\n beer : const GeneratedBeer&,\n checkin_id : sqlite3_int64) : RatingResult
}
class MockGenerator {
+ GenerateBrewery(...) : BreweryResult
+ GenerateBeer(...) : BeerResult
+ GenerateUser(...) : UserResult
+ GenerateCheckin(...) : CheckinResult
+ GenerateRating(...) : RatingResult
- DeterministicHash(location : const Location&) : size_t
}
class LlamaGenerator {
- model_ : ModelHandle
- context_ : ContextHandle
- prompt_formatter_ : std::unique_ptr<PromptFormatter>
- rng_ : std::mt19937
+ GenerateBrewery(...) : BreweryResult
+ GenerateBeer(...) : BeerResult
+ GenerateUser(...) : UserResult
+ GenerateCheckin(...) : CheckinResult
+ GenerateRating(...) : RatingResult
- Load(opts : const GeneratorOptions&) : void
- Infer(system_prompt, user_prompt,\n max_tokens, grammar) : std::string
- ValidateModelArchitecture() : void
}
interface PromptFormatter <<interface>> {
+ Format(system_prompt : std::string_view,\n user_prompt : std::string_view) : std::string
+ ExpectedArchitecture() : std::string_view
}
class Gemma4JinjaPromptFormatter {
+ Format(...) : std::string
+ ExpectedArchitecture() : std::string_view
}
}
' ==========================================
' INFRASTRUCTURE: PIPELINE CHANNEL
' ==========================================
package "Infrastructure: Pipeline Channel" {
class "BoundedChannel<T>" as BoundedChannel {
- queue_ : std::queue<T>
- mutex_ : std::mutex
- not_full_ : std::condition_variable
- not_empty_ : std::condition_variable
- capacity_ : size_t
- closed_ : bool
+ Send(item : T) : void
+ Receive() : std::optional<T>
+ Close() : void
}
}
' ==========================================
' INFRASTRUCTURE: EXPORT
' ==========================================
package "Infrastructure: Export" {
interface ExportService <<interface>> {
+ Initialize() : void
+ ProcessBrewery(brewery : const GeneratedBrewery&) : sqlite3_int64
+ ProcessBeer(beer : const GeneratedBeer&) : sqlite3_int64
+ ProcessUser(user : const GeneratedUser&) : sqlite3_int64
+ ProcessCheckin(checkin : const GeneratedCheckin&) : sqlite3_int64
+ ProcessRating(rating : const GeneratedRating&) : void
+ Finalize() : void
}
class SqliteExportService {
- date_time_provider_ : std::unique_ptr<DateTimeProvider>
- db_handle_ : SqliteDatabaseHandle
- insert_location_stmt_ : SqliteStatementHandle
- insert_brewery_stmt_ : SqliteStatementHandle
- insert_beer_stmt_ : SqliteStatementHandle
- insert_user_stmt_ : SqliteStatementHandle
- insert_checkin_stmt_ : SqliteStatementHandle
- insert_rating_stmt_ : SqliteStatementHandle
- transaction_open_ : bool
- location_cache_ : std::unordered_map<std::string, sqlite3_int64>
- brewery_cache_ : std::unordered_map<std::string, sqlite3_int64>
+ Initialize() : void
+ ProcessBrewery(brewery : const GeneratedBrewery&) : sqlite3_int64
+ ProcessBeer(beer : const GeneratedBeer&) : sqlite3_int64
+ ProcessUser(user : const GeneratedUser&) : sqlite3_int64
+ ProcessCheckin(checkin : const GeneratedCheckin&) : sqlite3_int64
+ ProcessRating(rating : const GeneratedRating&) : void
+ Finalize() : void
- InitializeSchema() : void
- PrepareStatements() : void
- RollbackAndCloseNoThrow() : void
- FinalizeStatements() : void
}
interface DateTimeProvider <<interface>> {
+ GetUtcTimestamp() : std::string
}
class SystemDateTimeProvider {
+ GetUtcTimestamp() : std::string
}
}
' ==========================================
' GLOBAL RELATIONSHIPS
' ==========================================
' --- Orchestration Aggregations (Services & Strategies) ---
BiergartenPipelineOrchestrator *-- DataPreloader
BiergartenPipelineOrchestrator *-- EnrichmentService
BiergartenPipelineOrchestrator *-- DataGenerator
BiergartenPipelineOrchestrator *-- ExportService
BiergartenPipelineOrchestrator *-- CheckinDistributionStrategy
BiergartenPipelineOrchestrator *-- SamplingStrategy
BiergartenPipelineOrchestrator *-- BeerSelectionStrategy
BiergartenPipelineOrchestrator *-- ApplicationOptions
BiergartenPipelineOrchestrator *-- Logger
' --- Orchestration Aggregations (Data Pools) ---
BiergartenPipelineOrchestrator *-- "0..*" GeneratedUser : user_pool_
BiergartenPipelineOrchestrator *-- "0..*" GeneratedBrewery : brewery_pool_
BiergartenPipelineOrchestrator *-- "0..*" GeneratedBeer : beer_pool_
BiergartenPipelineOrchestrator *-- "0..*" GeneratedCheckin : checkin_pool_
' --- Interfaces & Implementations ---
DataPreloader <|.. JsonLoader
Logger <|.. PipelineLogger
ContextStrategy <|.. BreweryContextStrategy
ContextStrategy <|.. BeerContextStrategy
SamplingStrategy <|.. UniformSamplingStrategy
BeerSelectionStrategy <|.. RandomBeerSelectionStrategy
CheckinDistributionStrategy <|.. JCurveCheckinStrategy
EnrichmentService <|.. WikipediaService
WebClient <|.. CURLWebClient
DataGenerator <|.. MockGenerator
DataGenerator <|.. LlamaGenerator
PromptFormatter <|.. Gemma4JinjaPromptFormatter
ExportService <|.. SqliteExportService
DateTimeProvider <|.. SystemDateTimeProvider
' --- Service Compositions & Dependencies ---
WikipediaService *-- WebClient
WikipediaService ..> ContextStrategy
LlamaGenerator *-- PromptFormatter
LlamaGenerator ..> GeneratorOptions
SqliteExportService *-- DateTimeProvider
' --- Cross-Component Aggregations (Held References) ---
PipelineLogger o-- BoundedChannel : logs to
LogWorker o-- BoundedChannel : drains from
' --- Domain Containment ---
EnrichedCity *-- Location
EnrichedCity *-- LocationContext
GeneratedBrewery *-- Location
GeneratedBrewery *-- BreweryResult
GeneratedBeer *-- Location
GeneratedBeer *-- BeerStyle
GeneratedBeer *-- BeerResult
GeneratedUser *-- Location
GeneratedUser *-- UserResult
GeneratedCheckin *-- CheckinResult
GeneratedRating *-- RatingResult
@enduml